Home / 38,692,078.36-57,994,117.32-20,219,541.55

Finding the Fourth Proportional to 38,692,078.36, 57,994,117.32 and 20,219,541.55

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Solution

The fourth proportional to 38,692,078.36, 57,994,117.32 and 20,219,541.55 is: 30,306,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692,078.36 : 57,994,117.32 = 20,219,541.55 : x
  2. Step 2: Convert to fraction form
    38,692,078.36/57,994,117.32 = 20,219,541.55/x
  3. Step 3: Cross multiply
    38,692,078.36x = 57,994,117.32 × 20,219,541.55
  4. Step 4: Simplify right side
    38,692,078.36x = 1,172,614,464,807,314.75
  5. Step 5: Solve for x
    x = 1,172,614,464,807,314.75/38,692,078.36
  6. Step 6: Final answer
    x = 30,306,318.88

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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.