Home / 11,897,186.76-16,418,216.12-6,464,678.76

Finding the Fourth Proportional to 11,897,186.76, 16,418,216.12 and 6,464,678.76

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Solution

The fourth proportional to 11,897,186.76, 16,418,216.12 and 6,464,678.76 is: 8,921,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,186.76 : 16,418,216.12 = 6,464,678.76 : x
  2. Step 2: Convert to fraction form
    11,897,186.76/16,418,216.12 = 6,464,678.76/x
  3. Step 3: Cross multiply
    11,897,186.76x = 16,418,216.12 × 6,464,678.76
  4. Step 4: Simplify right side
    11,897,186.76x = 106,138,493,028,053.61
  5. Step 5: Solve for x
    x = 106,138,493,028,053.61/11,897,186.76
  6. Step 6: Final answer
    x = 8,921,310.15

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.