Home / 7,876,145.70-11,814,218.55-5,962,958.10

Finding the Fourth Proportional to 7,876,145.70, 11,814,218.55 and 5,962,958.10

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Solution

The fourth proportional to 7,876,145.70, 11,814,218.55 and 5,962,958.10 is: 8,944,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,145.70 : 11,814,218.55 = 5,962,958.10 : x
  2. Step 2: Convert to fraction form
    7,876,145.70/11,814,218.55 = 5,962,958.10/x
  3. Step 3: Cross multiply
    7,876,145.70x = 11,814,218.55 × 5,962,958.10
  4. Step 4: Simplify right side
    7,876,145.70x = 70,447,690,197,892.75
  5. Step 5: Solve for x
    x = 70,447,690,197,892.75/7,876,145.70
  6. Step 6: Final answer
    x = 8,944,437.15

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Double scale
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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.