Home / 20,386,414.60-30,579,621.90-19,441,630.60

Finding the Fourth Proportional to 20,386,414.60, 30,579,621.90 and 19,441,630.60

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Solution

The fourth proportional to 20,386,414.60, 30,579,621.90 and 19,441,630.60 is: 29,162,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,414.60 : 30,579,621.90 = 19,441,630.60 : x
  2. Step 2: Convert to fraction form
    20,386,414.60/30,579,621.90 = 19,441,630.60/x
  3. Step 3: Cross multiply
    20,386,414.60x = 30,579,621.90 × 19,441,630.60
  4. Step 4: Simplify right side
    20,386,414.60x = 594,517,712,867,470.12
  5. Step 5: Solve for x
    x = 594,517,712,867,470.12/20,386,414.60
  6. Step 6: Final answer
    x = 29,162,445.90

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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.