Home / 8,695,211.40-13,042,817.10-5,489,944.20

Finding the Fourth Proportional to 8,695,211.40, 13,042,817.10 and 5,489,944.20

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Solution

The fourth proportional to 8,695,211.40, 13,042,817.10 and 5,489,944.20 is: 8,234,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695,211.40 : 13,042,817.10 = 5,489,944.20 : x
  2. Step 2: Convert to fraction form
    8,695,211.40/13,042,817.10 = 5,489,944.20/x
  3. Step 3: Cross multiply
    8,695,211.40x = 13,042,817.10 × 5,489,944.20
  4. Step 4: Simplify right side
    8,695,211.40x = 71,604,338,089,805.83
  5. Step 5: Solve for x
    x = 71,604,338,089,805.83/8,695,211.40
  6. Step 6: Final answer
    x = 8,234,916.30

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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.