Home / 9,180,905.80-13,771,358.70-8,188,882.60

Finding the Fourth Proportional to 9,180,905.80, 13,771,358.70 and 8,188,882.60

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Solution

The fourth proportional to 9,180,905.80, 13,771,358.70 and 8,188,882.60 is: 12,283,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,905.80 : 13,771,358.70 = 8,188,882.60 : x
  2. Step 2: Convert to fraction form
    9,180,905.80/13,771,358.70 = 8,188,882.60/x
  3. Step 3: Cross multiply
    9,180,905.80x = 13,771,358.70 × 8,188,882.60
  4. Step 4: Simplify right side
    9,180,905.80x = 112,772,039,636,788.61
  5. Step 5: Solve for x
    x = 112,772,039,636,788.61/9,180,905.80
  6. Step 6: Final answer
    x = 12,283,323.90

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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.