Home / 10,856,545.40-16,284,818.10-7,030,170.20

Finding the Fourth Proportional to 10,856,545.40, 16,284,818.10 and 7,030,170.20

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Solution

The fourth proportional to 10,856,545.40, 16,284,818.10 and 7,030,170.20 is: 10,545,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,545.40 : 16,284,818.10 = 7,030,170.20 : x
  2. Step 2: Convert to fraction form
    10,856,545.40/16,284,818.10 = 7,030,170.20/x
  3. Step 3: Cross multiply
    10,856,545.40x = 16,284,818.10 × 7,030,170.20
  4. Step 4: Simplify right side
    10,856,545.40x = 114,485,042,919,040.62
  5. Step 5: Solve for x
    x = 114,485,042,919,040.62/10,856,545.40
  6. Step 6: Final answer
    x = 10,545,255.30

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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.