Home / 8,538,948.20-12,808,412.30-2,781,672.62

Finding the Fourth Proportional to 8,538,948.20, 12,808,412.30 and 2,781,672.62

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Solution

The fourth proportional to 8,538,948.20, 12,808,412.30 and 2,781,672.62 is: 4,172,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,948.20 : 12,808,412.30 = 2,781,672.62 : x
  2. Step 2: Convert to fraction form
    8,538,948.20/12,808,412.30 = 2,781,672.62/x
  3. Step 3: Cross multiply
    8,538,948.20x = 12,808,412.30 × 2,781,672.62
  4. Step 4: Simplify right side
    8,538,948.20x = 35,628,809,722,630.80
  5. Step 5: Solve for x
    x = 35,628,809,722,630.80/8,538,948.20
  6. Step 6: Final answer
    x = 4,172,505.67

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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.