Home / 10,251,279.10-15,376,918.65-8,260,623.10

Finding the Fourth Proportional to 10,251,279.10, 15,376,918.65 and 8,260,623.10

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Solution

The fourth proportional to 10,251,279.10, 15,376,918.65 and 8,260,623.10 is: 12,390,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,279.10 : 15,376,918.65 = 8,260,623.10 : x
  2. Step 2: Convert to fraction form
    10,251,279.10/15,376,918.65 = 8,260,623.10/x
  3. Step 3: Cross multiply
    10,251,279.10x = 15,376,918.65 × 8,260,623.10
  4. Step 4: Simplify right side
    10,251,279.10x = 127,022,929,407,010.81
  5. Step 5: Solve for x
    x = 127,022,929,407,010.81/10,251,279.10
  6. Step 6: Final answer
    x = 12,390,934.65

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Double scale
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Similar ratio
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1.5x scale

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.