Home / 13,484,526.60-20,229,414.30-3,900,217.80

Finding the Fourth Proportional to 13,484,526.60, 20,229,414.30 and 3,900,217.80

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Solution

The fourth proportional to 13,484,526.60, 20,229,414.30 and 3,900,217.80 is: 5,851,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,526.60 : 20,229,414.30 = 3,900,217.80 : x
  2. Step 2: Convert to fraction form
    13,484,526.60/20,229,414.30 = 3,900,217.80/x
  3. Step 3: Cross multiply
    13,484,526.60x = 20,229,414.30 × 3,900,217.80
  4. Step 4: Simplify right side
    13,484,526.60x = 78,899,121,736,434.55
  5. Step 5: Solve for x
    x = 78,899,121,736,434.55/13,484,526.60
  6. Step 6: Final answer
    x = 5,851,085.77

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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.