Home / 21,386,875.17-29,513,860.32-11,597,302.92

Finding the Fourth Proportional to 21,386,875.17, 29,513,860.32 and 11,597,302.92

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Solution

The fourth proportional to 21,386,875.17, 29,513,860.32 and 11,597,302.92 is: 16,004,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,875.17 : 29,513,860.32 = 11,597,302.92 : x
  2. Step 2: Convert to fraction form
    21,386,875.17/29,513,860.32 = 11,597,302.92/x
  3. Step 3: Cross multiply
    21,386,875.17x = 29,513,860.32 × 11,597,302.92
  4. Step 4: Simplify right side
    21,386,875.17x = 342,281,178,469,608.12
  5. Step 5: Solve for x
    x = 342,281,178,469,608.12/21,386,875.17
  6. Step 6: Final answer
    x = 16,004,263.16

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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.