Home / 40,791,515.29-61,169,317.65-21,617,780.11

Finding the Fourth Proportional to 40,791,515.29, 61,169,317.65 and 21,617,780.11

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Solution

The fourth proportional to 40,791,515.29, 61,169,317.65 and 21,617,780.11 is: 32,417,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791,515.29 : 61,169,317.65 = 21,617,780.11 : x
  2. Step 2: Convert to fraction form
    40,791,515.29/61,169,317.65 = 21,617,780.11/x
  3. Step 3: Cross multiply
    40,791,515.29x = 61,169,317.65 × 21,617,780.11
  4. Step 4: Simplify right side
    40,791,515.29x = 1,322,344,858,283,518.75
  5. Step 5: Solve for x
    x = 1,322,344,858,283,518.75/40,791,515.29
  6. Step 6: Final answer
    x = 32,417,154.62

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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.