Home / 8,122,254.28-11,207,499.84-5,027,890.12

Finding the Fourth Proportional to 8,122,254.28, 11,207,499.84 and 5,027,890.12

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Solution

The fourth proportional to 8,122,254.28, 11,207,499.84 and 5,027,890.12 is: 6,937,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,254.28 : 11,207,499.84 = 5,027,890.12 : x
  2. Step 2: Convert to fraction form
    8,122,254.28/11,207,499.84 = 5,027,890.12/x
  3. Step 3: Cross multiply
    8,122,254.28x = 11,207,499.84 × 5,027,890.12
  4. Step 4: Simplify right side
    8,122,254.28x = 56,350,077,715,437.58
  5. Step 5: Solve for x
    x = 56,350,077,715,437.58/8,122,254.28
  6. Step 6: Final answer
    x = 6,937,738.68

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.