Home / 52,215,265.58-78,314,211.20-15,815,001.60

Finding the Fourth Proportional to 52,215,265.58, 78,314,211.20 and 15,815,001.60

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Solution

The fourth proportional to 52,215,265.58, 78,314,211.20 and 15,815,001.60 is: 23,719,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215,265.58 : 78,314,211.20 = 15,815,001.60 : x
  2. Step 2: Convert to fraction form
    52,215,265.58/78,314,211.20 = 15,815,001.60/x
  3. Step 3: Cross multiply
    52,215,265.58x = 78,314,211.20 × 15,815,001.60
  4. Step 4: Simplify right side
    52,215,265.58x = 1,238,539,375,470,275.50
  5. Step 5: Solve for x
    x = 1,238,539,375,470,275.50/52,215,265.58
  6. Step 6: Final answer
    x = 23,719,871.23

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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.