Home / 38,655,311.35-57,856,796.53-28,417,458.91

Finding the Fourth Proportional to 38,655,311.35, 57,856,796.53 and 28,417,458.91

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Solution

The fourth proportional to 38,655,311.35, 57,856,796.53 and 28,417,458.91 is: 42,533,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655,311.35 : 57,856,796.53 = 28,417,458.91 : x
  2. Step 2: Convert to fraction form
    38,655,311.35/57,856,796.53 = 28,417,458.91/x
  3. Step 3: Cross multiply
    38,655,311.35x = 57,856,796.53 × 28,417,458.91
  4. Step 4: Simplify right side
    38,655,311.35x = 1,644,143,138,055,505.50
  5. Step 5: Solve for x
    x = 1,644,143,138,055,505.50/38,655,311.35
  6. Step 6: Final answer
    x = 42,533,434.10

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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.