Home / 10,367,786.70-15,551,680.05-5,265,953.10

Finding the Fourth Proportional to 10,367,786.70, 15,551,680.05 and 5,265,953.10

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Solution

The fourth proportional to 10,367,786.70, 15,551,680.05 and 5,265,953.10 is: 7,898,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,786.70 : 15,551,680.05 = 5,265,953.10 : x
  2. Step 2: Convert to fraction form
    10,367,786.70/15,551,680.05 = 5,265,953.10/x
  3. Step 3: Cross multiply
    10,367,786.70x = 15,551,680.05 × 5,265,953.10
  4. Step 4: Simplify right side
    10,367,786.70x = 81,894,417,769,505.66
  5. Step 5: Solve for x
    x = 81,894,417,769,505.66/10,367,786.70
  6. Step 6: Final answer
    x = 7,898,929.65

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Double scale
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Similar ratio
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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.