Home / 21,783,040.80-32,674,561.20-15,736,423.20

Finding the Fourth Proportional to 21,783,040.80, 32,674,561.20 and 15,736,423.20

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Solution

The fourth proportional to 21,783,040.80, 32,674,561.20 and 15,736,423.20 is: 23,604,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,040.80 : 32,674,561.20 = 15,736,423.20 : x
  2. Step 2: Convert to fraction form
    21,783,040.80/32,674,561.20 = 15,736,423.20/x
  3. Step 3: Cross multiply
    21,783,040.80x = 32,674,561.20 × 15,736,423.20
  4. Step 4: Simplify right side
    21,783,040.80x = 514,180,722,917,499.81
  5. Step 5: Solve for x
    x = 514,180,722,917,499.81/21,783,040.80
  6. Step 6: Final answer
    x = 23,604,634.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.