Home / 15,896,239,868.40-21,937,840,744.86-9,122,343,968.76

Finding the Fourth Proportional to 15,896,239,868.40, 21,937,840,744.86 and 9,122,343,968.76

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Solution

The fourth proportional to 15,896,239,868.40, 21,937,840,744.86 and 9,122,343,968.76 is: 12,589,425,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,239,868.40 : 21,937,840,744.86 = 9,122,343,968.76 : x
  2. Step 2: Convert to fraction form
    15,896,239,868.40/21,937,840,744.86 = 9,122,343,968.76/x
  3. Step 3: Cross multiply
    15,896,239,868.40x = 21,937,840,744.86 × 9,122,343,968.76
  4. Step 4: Simplify right side
    15,896,239,868.40x = 200,124,529,206,491,021,312
  5. Step 5: Solve for x
    x = 200,124,529,206,491,021,312/15,896,239,868.40
  6. Step 6: Final answer
    x = 12,589,425,604.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.