Home / 7,098,780.20-10,648,170.30-6,678,876.20

Finding the Fourth Proportional to 7,098,780.20, 10,648,170.30 and 6,678,876.20

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Solution

The fourth proportional to 7,098,780.20, 10,648,170.30 and 6,678,876.20 is: 10,018,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,780.20 : 10,648,170.30 = 6,678,876.20 : x
  2. Step 2: Convert to fraction form
    7,098,780.20/10,648,170.30 = 6,678,876.20/x
  3. Step 3: Cross multiply
    7,098,780.20x = 10,648,170.30 × 6,678,876.20
  4. Step 4: Simplify right side
    7,098,780.20x = 71,117,811,190,216.86
  5. Step 5: Solve for x
    x = 71,117,811,190,216.86/7,098,780.20
  6. Step 6: Final answer
    x = 10,018,314.30

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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.