Home / 11,168,000.70-16,752,001.05-3,987,642.30

Finding the Fourth Proportional to 11,168,000.70, 16,752,001.05 and 3,987,642.30

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Solution

The fourth proportional to 11,168,000.70, 16,752,001.05 and 3,987,642.30 is: 5,981,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168,000.70 : 16,752,001.05 = 3,987,642.30 : x
  2. Step 2: Convert to fraction form
    11,168,000.70/16,752,001.05 = 3,987,642.30/x
  3. Step 3: Cross multiply
    11,168,000.70x = 16,752,001.05 × 3,987,642.30
  4. Step 4: Simplify right side
    11,168,000.70x = 66,800,987,996,624.41
  5. Step 5: Solve for x
    x = 66,800,987,996,624.41/11,168,000.70
  6. Step 6: Final answer
    x = 5,981,463.45

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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.