Home / 10,630,098.80-15,945,148.20-7,445,049.20

Finding the Fourth Proportional to 10,630,098.80, 15,945,148.20 and 7,445,049.20

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Solution

The fourth proportional to 10,630,098.80, 15,945,148.20 and 7,445,049.20 is: 11,167,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,098.80 : 15,945,148.20 = 7,445,049.20 : x
  2. Step 2: Convert to fraction form
    10,630,098.80/15,945,148.20 = 7,445,049.20/x
  3. Step 3: Cross multiply
    10,630,098.80x = 15,945,148.20 × 7,445,049.20
  4. Step 4: Simplify right side
    10,630,098.80x = 118,712,412,850,291.44
  5. Step 5: Solve for x
    x = 118,712,412,850,291.44/10,630,098.80
  6. Step 6: Final answer
    x = 11,167,573.80

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Double scale
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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.