Home / 15,016,206.25-20,723,909.13-9,136,257.87

Finding the Fourth Proportional to 15,016,206.25, 20,723,909.13 and 9,136,257.87

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Solution

The fourth proportional to 15,016,206.25, 20,723,909.13 and 9,136,257.87 is: 12,608,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,206.25 : 20,723,909.13 = 9,136,257.87 : x
  2. Step 2: Convert to fraction form
    15,016,206.25/20,723,909.13 = 9,136,257.87/x
  3. Step 3: Cross multiply
    15,016,206.25x = 20,723,909.13 × 9,136,257.87
  4. Step 4: Simplify right side
    15,016,206.25x = 189,338,977,946,293.19
  5. Step 5: Solve for x
    x = 189,338,977,946,293.19/15,016,206.25
  6. Step 6: Final answer
    x = 12,608,975.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.