Home / 18,683,136.90-28,024,705.35-15,707,067.30

Finding the Fourth Proportional to 18,683,136.90, 28,024,705.35 and 15,707,067.30

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Solution

The fourth proportional to 18,683,136.90, 28,024,705.35 and 15,707,067.30 is: 23,560,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,136.90 : 28,024,705.35 = 15,707,067.30 : x
  2. Step 2: Convert to fraction form
    18,683,136.90/28,024,705.35 = 15,707,067.30/x
  3. Step 3: Cross multiply
    18,683,136.90x = 28,024,705.35 × 15,707,067.30
  4. Step 4: Simplify right side
    18,683,136.90x = 440,185,932,995,120.12
  5. Step 5: Solve for x
    x = 440,185,932,995,120.12/18,683,136.90
  6. Step 6: Final answer
    x = 23,560,600.95

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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.