Home / 15,987,816.60-23,981,724.90-13,436,899.80

Finding the Fourth Proportional to 15,987,816.60, 23,981,724.90 and 13,436,899.80

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Solution

The fourth proportional to 15,987,816.60, 23,981,724.90 and 13,436,899.80 is: 20,155,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987,816.60 : 23,981,724.90 = 13,436,899.80 : x
  2. Step 2: Convert to fraction form
    15,987,816.60/23,981,724.90 = 13,436,899.80/x
  3. Step 3: Cross multiply
    15,987,816.60x = 23,981,724.90 × 13,436,899.80
  4. Step 4: Simplify right side
    15,987,816.60x = 322,240,034,512,465
  5. Step 5: Solve for x
    x = 322,240,034,512,465/15,987,816.60
  6. Step 6: Final answer
    x = 20,155,349.70

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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.