Home / 12,098,853.30-18,148,279.95-9,358,979.70

Finding the Fourth Proportional to 12,098,853.30, 18,148,279.95 and 9,358,979.70

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Solution

The fourth proportional to 12,098,853.30, 18,148,279.95 and 9,358,979.70 is: 14,038,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,853.30 : 18,148,279.95 = 9,358,979.70 : x
  2. Step 2: Convert to fraction form
    12,098,853.30/18,148,279.95 = 9,358,979.70/x
  3. Step 3: Cross multiply
    12,098,853.30x = 18,148,279.95 × 9,358,979.70
  4. Step 4: Simplify right side
    12,098,853.30x = 169,849,383,641,967
  5. Step 5: Solve for x
    x = 169,849,383,641,967/12,098,853.30
  6. Step 6: Final answer
    x = 14,038,469.55

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Similar ratio
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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.