Home / 18,683,133.90-28,024,700.85-15,707,064.30

Finding the Fourth Proportional to 18,683,133.90, 28,024,700.85 and 15,707,064.30

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Solution

The fourth proportional to 18,683,133.90, 28,024,700.85 and 15,707,064.30 is: 23,560,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,133.90 : 28,024,700.85 = 15,707,064.30 : x
  2. Step 2: Convert to fraction form
    18,683,133.90/28,024,700.85 = 15,707,064.30/x
  3. Step 3: Cross multiply
    18,683,133.90x = 28,024,700.85 × 15,707,064.30
  4. Step 4: Simplify right side
    18,683,133.90x = 440,185,778,239,214.69
  5. Step 5: Solve for x
    x = 440,185,778,239,214.69/18,683,133.90
  6. Step 6: Final answer
    x = 23,560,596.45

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Similar ratio
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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.