Home / 12,618,234.80-18,932,017.80-4,098,849.20

Finding the Fourth Proportional to 12,618,234.80, 18,932,017.80 and 4,098,849.20

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Solution

The fourth proportional to 12,618,234.80, 18,932,017.80 and 4,098,849.20 is: 6,149,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,234.80 : 18,932,017.80 = 4,098,849.20 : x
  2. Step 2: Convert to fraction form
    12,618,234.80/18,932,017.80 = 4,098,849.20/x
  3. Step 3: Cross multiply
    12,618,234.80x = 18,932,017.80 × 4,098,849.20
  4. Step 4: Simplify right side
    12,618,234.80x = 77,599,486,013,915.77
  5. Step 5: Solve for x
    x = 77,599,486,013,915.77/12,618,234.80
  6. Step 6: Final answer
    x = 6,149,789.35

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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.