Home / 36,516,453.30-54,687,730.50-21,131,318.70

Finding the Fourth Proportional to 36,516,453.30, 54,687,730.50 and 21,131,318.70

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Solution

The fourth proportional to 36,516,453.30, 54,687,730.50 and 21,131,318.70 is: 31,646,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,516,453.30 : 54,687,730.50 = 21,131,318.70 : x
  2. Step 2: Convert to fraction form
    36,516,453.30/54,687,730.50 = 21,131,318.70/x
  3. Step 3: Cross multiply
    36,516,453.30x = 54,687,730.50 × 21,131,318.70
  4. Step 4: Simplify right side
    36,516,453.30x = 1,155,623,862,175,210.25
  5. Step 5: Solve for x
    x = 1,155,623,862,175,210.25/36,516,453.30
  6. Step 6: Final answer
    x = 31,646,662.20

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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.