Home / 18,452,000.70-27,678,001.05-7,092,819.90

Finding the Fourth Proportional to 18,452,000.70, 27,678,001.05 and 7,092,819.90

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Solution

The fourth proportional to 18,452,000.70, 27,678,001.05 and 7,092,819.90 is: 10,639,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,000.70 : 27,678,001.05 = 7,092,819.90 : x
  2. Step 2: Convert to fraction form
    18,452,000.70/27,678,001.05 = 7,092,819.90/x
  3. Step 3: Cross multiply
    18,452,000.70x = 27,678,001.05 × 7,092,819.90
  4. Step 4: Simplify right side
    18,452,000.70x = 196,315,076,639,660.91
  5. Step 5: Solve for x
    x = 196,315,076,639,660.91/18,452,000.70
  6. Step 6: Final answer
    x = 10,639,229.85

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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.