Home / 18,844,078.20-28,266,117.30-12,387,070.06

Finding the Fourth Proportional to 18,844,078.20, 28,266,117.30 and 12,387,070.06

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Solution

The fourth proportional to 18,844,078.20, 28,266,117.30 and 12,387,070.06 is: 18,580,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,078.20 : 28,266,117.30 = 12,387,070.06 : x
  2. Step 2: Convert to fraction form
    18,844,078.20/28,266,117.30 = 12,387,070.06/x
  3. Step 3: Cross multiply
    18,844,078.20x = 28,266,117.30 × 12,387,070.06
  4. Step 4: Simplify right side
    18,844,078.20x = 350,134,375,319,278.06
  5. Step 5: Solve for x
    x = 350,134,375,319,278.06/18,844,078.20
  6. Step 6: Final answer
    x = 18,580,605.09

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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.