Home / 10,462,659.70-15,693,989.55-5,415,517.30

Finding the Fourth Proportional to 10,462,659.70, 15,693,989.55 and 5,415,517.30

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Solution

The fourth proportional to 10,462,659.70, 15,693,989.55 and 5,415,517.30 is: 8,123,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462,659.70 : 15,693,989.55 = 5,415,517.30 : x
  2. Step 2: Convert to fraction form
    10,462,659.70/15,693,989.55 = 5,415,517.30/x
  3. Step 3: Cross multiply
    10,462,659.70x = 15,693,989.55 × 5,415,517.30
  4. Step 4: Simplify right side
    10,462,659.70x = 84,991,071,914,044.22
  5. Step 5: Solve for x
    x = 84,991,071,914,044.22/10,462,659.70
  6. Step 6: Final answer
    x = 8,123,275.95

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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.