Home / 12,487,930.52-18,723,371.30-6,652,988.66

Finding the Fourth Proportional to 12,487,930.52, 18,723,371.30 and 6,652,988.66

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Solution

The fourth proportional to 12,487,930.52, 18,723,371.30 and 6,652,988.66 is: 9,974,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,930.52 : 18,723,371.30 = 6,652,988.66 : x
  2. Step 2: Convert to fraction form
    12,487,930.52/18,723,371.30 = 6,652,988.66/x
  3. Step 3: Cross multiply
    12,487,930.52x = 18,723,371.30 × 6,652,988.66
  4. Step 4: Simplify right side
    12,487,930.52x = 124,566,376,949,412.95
  5. Step 5: Solve for x
    x = 124,566,376,949,412.95/12,487,930.52
  6. Step 6: Final answer
    x = 9,974,941.55

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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.