Home / 21,741,470.80-32,616,142.80-10,931,567.20

Finding the Fourth Proportional to 21,741,470.80, 32,616,142.80 and 10,931,567.20

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Solution

The fourth proportional to 21,741,470.80, 32,616,142.80 and 10,931,567.20 is: 16,399,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741,470.80 : 32,616,142.80 = 10,931,567.20 : x
  2. Step 2: Convert to fraction form
    21,741,470.80/32,616,142.80 = 10,931,567.20/x
  3. Step 3: Cross multiply
    21,741,470.80x = 32,616,142.80 × 10,931,567.20
  4. Step 4: Simplify right side
    21,741,470.80x = 356,545,556,822,996.12
  5. Step 5: Solve for x
    x = 356,545,556,822,996.12/21,741,470.80
  6. Step 6: Final answer
    x = 16,399,330.11

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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.