Home / 15,987,870.60-23,981,805.90-13,188,510.60

Finding the Fourth Proportional to 15,987,870.60, 23,981,805.90 and 13,188,510.60

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Solution

The fourth proportional to 15,987,870.60, 23,981,805.90 and 13,188,510.60 is: 19,782,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987,870.60 : 23,981,805.90 = 13,188,510.60 : x
  2. Step 2: Convert to fraction form
    15,987,870.60/23,981,805.90 = 13,188,510.60/x
  3. Step 3: Cross multiply
    15,987,870.60x = 23,981,805.90 × 13,188,510.60
  4. Step 4: Simplify right side
    15,987,870.60x = 316,284,301,319,292.50
  5. Step 5: Solve for x
    x = 316,284,301,319,292.50/15,987,870.60
  6. Step 6: Final answer
    x = 19,782,765.90

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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.