Home / 15,987,813.60-23,981,720.40-13,436,896.80

Finding the Fourth Proportional to 15,987,813.60, 23,981,720.40 and 13,436,896.80

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Solution

The fourth proportional to 15,987,813.60, 23,981,720.40 and 13,436,896.80 is: 20,155,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987,813.60 : 23,981,720.40 = 13,436,896.80 : x
  2. Step 2: Convert to fraction form
    15,987,813.60/23,981,720.40 = 13,436,896.80/x
  3. Step 3: Cross multiply
    15,987,813.60x = 23,981,720.40 × 13,436,896.80
  4. Step 4: Simplify right side
    15,987,813.60x = 322,239,902,101,254.69
  5. Step 5: Solve for x
    x = 322,239,902,101,254.69/15,987,813.60
  6. Step 6: Final answer
    x = 20,155,345.20

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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.