Home / 8,424,057.80-12,636,086.70-8,298,086.60

Finding the Fourth Proportional to 8,424,057.80, 12,636,086.70 and 8,298,086.60

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Solution

The fourth proportional to 8,424,057.80, 12,636,086.70 and 8,298,086.60 is: 12,447,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,057.80 : 12,636,086.70 = 8,298,086.60 : x
  2. Step 2: Convert to fraction form
    8,424,057.80/12,636,086.70 = 8,298,086.60/x
  3. Step 3: Cross multiply
    8,424,057.80x = 12,636,086.70 × 8,298,086.60
  4. Step 4: Simplify right side
    8,424,057.80x = 104,855,341,721,708.20
  5. Step 5: Solve for x
    x = 104,855,341,721,708.20/8,424,057.80
  6. Step 6: Final answer
    x = 12,447,129.90

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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.