Home / 10,342,906.40-15,514,359.60-9,226,880.30

Finding the Fourth Proportional to 10,342,906.40, 15,514,359.60 and 9,226,880.30

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Solution

The fourth proportional to 10,342,906.40, 15,514,359.60 and 9,226,880.30 is: 13,840,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,906.40 : 15,514,359.60 = 9,226,880.30 : x
  2. Step 2: Convert to fraction form
    10,342,906.40/15,514,359.60 = 9,226,880.30/x
  3. Step 3: Cross multiply
    10,342,906.40x = 15,514,359.60 × 9,226,880.30
  4. Step 4: Simplify right side
    10,342,906.40x = 143,149,138,960,355.88
  5. Step 5: Solve for x
    x = 143,149,138,960,355.88/10,342,906.40
  6. Step 6: Final answer
    x = 13,840,320.45

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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.