Home / 18,714,953.40-28,025,190.90-12,290,422.20

Finding the Fourth Proportional to 18,714,953.40, 28,025,190.90 and 12,290,422.20

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Solution

The fourth proportional to 18,714,953.40, 28,025,190.90 and 12,290,422.20 is: 18,404,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,953.40 : 28,025,190.90 = 12,290,422.20 : x
  2. Step 2: Convert to fraction form
    18,714,953.40/28,025,190.90 = 12,290,422.20/x
  3. Step 3: Cross multiply
    18,714,953.40x = 28,025,190.90 × 12,290,422.20
  4. Step 4: Simplify right side
    18,714,953.40x = 344,441,428,396,597.94
  5. Step 5: Solve for x
    x = 344,441,428,396,597.94/18,714,953.40
  6. Step 6: Final answer
    x = 18,404,610.53

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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.