Home / 38,216,469.12-57,268,016.10-28,069,488.96

Finding the Fourth Proportional to 38,216,469.12, 57,268,016.10 and 28,069,488.96

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Solution

The fourth proportional to 38,216,469.12, 57,268,016.10 and 28,069,488.96 is: 42,062,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,469.12 : 57,268,016.10 = 28,069,488.96 : x
  2. Step 2: Convert to fraction form
    38,216,469.12/57,268,016.10 = 28,069,488.96/x
  3. Step 3: Cross multiply
    38,216,469.12x = 57,268,016.10 × 28,069,488.96
  4. Step 4: Simplify right side
    38,216,469.12x = 1,607,483,945,680,052.25
  5. Step 5: Solve for x
    x = 1,607,483,945,680,052.25/38,216,469.12
  6. Step 6: Final answer
    x = 42,062,597.17

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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.