Home / 20,017,152.76-30,028,414.38-7,060,257.60

Finding the Fourth Proportional to 20,017,152.76, 30,028,414.38 and 7,060,257.60

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Solution

The fourth proportional to 20,017,152.76, 30,028,414.38 and 7,060,257.60 is: 10,591,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,152.76 : 30,028,414.38 = 7,060,257.60 : x
  2. Step 2: Convert to fraction form
    20,017,152.76/30,028,414.38 = 7,060,257.60/x
  3. Step 3: Cross multiply
    20,017,152.76x = 30,028,414.38 × 7,060,257.60
  4. Step 4: Simplify right side
    20,017,152.76x = 212,008,340,842,344.28
  5. Step 5: Solve for x
    x = 212,008,340,842,344.28/20,017,152.76
  6. Step 6: Final answer
    x = 10,591,333.51

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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.