Home / 18,737,555.03-28,094,291.28-7,815,279.95

Finding the Fourth Proportional to 18,737,555.03, 28,094,291.28 and 7,815,279.95

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Solution

The fourth proportional to 18,737,555.03, 28,094,291.28 and 7,815,279.95 is: 11,717,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,555.03 : 28,094,291.28 = 7,815,279.95 : x
  2. Step 2: Convert to fraction form
    18,737,555.03/28,094,291.28 = 7,815,279.95/x
  3. Step 3: Cross multiply
    18,737,555.03x = 28,094,291.28 × 7,815,279.95
  4. Step 4: Simplify right side
    18,737,555.03x = 219,564,751,209,572.41
  5. Step 5: Solve for x
    x = 219,564,751,209,572.41/18,737,555.03
  6. Step 6: Final answer
    x = 11,717,897.61

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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.