Home / 21,730,836.20-29,988,792.66-11,941,282.92

Finding the Fourth Proportional to 21,730,836.20, 29,988,792.66 and 11,941,282.92

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Solution

The fourth proportional to 21,730,836.20, 29,988,792.66 and 11,941,282.92 is: 16,479,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,836.20 : 29,988,792.66 = 11,941,282.92 : x
  2. Step 2: Convert to fraction form
    21,730,836.20/29,988,792.66 = 11,941,282.92/x
  3. Step 3: Cross multiply
    21,730,836.20x = 29,988,792.66 × 11,941,282.92
  4. Step 4: Simplify right side
    21,730,836.20x = 358,104,657,587,988.94
  5. Step 5: Solve for x
    x = 358,104,657,587,988.94/21,730,836.20
  6. Step 6: Final answer
    x = 16,479,101.60

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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.