Home / 40,791,517.29-61,169,320.65-21,617,782.11

Finding the Fourth Proportional to 40,791,517.29, 61,169,320.65 and 21,617,782.11

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Solution

The fourth proportional to 40,791,517.29, 61,169,320.65 and 21,617,782.11 is: 32,417,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791,517.29 : 61,169,320.65 = 21,617,782.11 : x
  2. Step 2: Convert to fraction form
    40,791,517.29/61,169,320.65 = 21,617,782.11/x
  3. Step 3: Cross multiply
    40,791,517.29x = 61,169,320.65 × 21,617,782.11
  4. Step 4: Simplify right side
    40,791,517.29x = 1,322,345,045,628,423.50
  5. Step 5: Solve for x
    x = 1,322,345,045,628,423.50/40,791,517.29
  6. Step 6: Final answer
    x = 32,417,157.62

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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.