Home / 15,401,429.16-21,263,999.40-9,896,925.12

Finding the Fourth Proportional to 15,401,429.16, 21,263,999.40 and 9,896,925.12

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Solution

The fourth proportional to 15,401,429.16, 21,263,999.40 and 9,896,925.12 is: 13,664,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,429.16 : 21,263,999.40 = 9,896,925.12 : x
  2. Step 2: Convert to fraction form
    15,401,429.16/21,263,999.40 = 9,896,925.12/x
  3. Step 3: Cross multiply
    15,401,429.16x = 21,263,999.40 × 9,896,925.12
  4. Step 4: Simplify right side
    15,401,429.16x = 210,448,209,813,524.91
  5. Step 5: Solve for x
    x = 210,448,209,813,524.91/15,401,429.16
  6. Step 6: Final answer
    x = 13,664,200.10

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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.