Home / 12,248,974.20-18,379,366.20-8,646,985.20

Finding the Fourth Proportional to 12,248,974.20, 18,379,366.20 and 8,646,985.20

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Solution

The fourth proportional to 12,248,974.20, 18,379,366.20 and 8,646,985.20 is: 12,974,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,974.20 : 18,379,366.20 = 8,646,985.20 : x
  2. Step 2: Convert to fraction form
    12,248,974.20/18,379,366.20 = 8,646,985.20/x
  3. Step 3: Cross multiply
    12,248,974.20x = 18,379,366.20 × 8,646,985.20
  4. Step 4: Simplify right side
    12,248,974.20x = 158,926,107,516,780.22
  5. Step 5: Solve for x
    x = 158,926,107,516,780.22/12,248,974.20
  6. Step 6: Final answer
    x = 12,974,646.28

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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.