Home / 8,308,270.60-12,462,405.90-5,117,000.20

Finding the Fourth Proportional to 8,308,270.60, 12,462,405.90 and 5,117,000.20

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Solution

The fourth proportional to 8,308,270.60, 12,462,405.90 and 5,117,000.20 is: 7,675,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,270.60 : 12,462,405.90 = 5,117,000.20 : x
  2. Step 2: Convert to fraction form
    8,308,270.60/12,462,405.90 = 5,117,000.20/x
  3. Step 3: Cross multiply
    8,308,270.60x = 12,462,405.90 × 5,117,000.20
  4. Step 4: Simplify right side
    8,308,270.60x = 63,770,133,482,781.19
  5. Step 5: Solve for x
    x = 63,770,133,482,781.19/8,308,270.60
  6. Step 6: Final answer
    x = 7,675,500.30

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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.