Home / 14,078,100.38-19,427,778.52-7,639,572.38

Finding the Fourth Proportional to 14,078,100.38, 19,427,778.52 and 7,639,572.38

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Solution

The fourth proportional to 14,078,100.38, 19,427,778.52 and 7,639,572.38 is: 10,542,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,100.38 : 19,427,778.52 = 7,639,572.38 : x
  2. Step 2: Convert to fraction form
    14,078,100.38/19,427,778.52 = 7,639,572.38/x
  3. Step 3: Cross multiply
    14,078,100.38x = 19,427,778.52 × 7,639,572.38
  4. Step 4: Simplify right side
    14,078,100.38x = 148,419,920,069,911.44
  5. Step 5: Solve for x
    x = 148,419,920,069,911.44/14,078,100.38
  6. Step 6: Final answer
    x = 10,542,609.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.