Home / 38,557,961.20-57,931,420.20-28,992,023.20

Finding the Fourth Proportional to 38,557,961.20, 57,931,420.20 and 28,992,023.20

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Solution

The fourth proportional to 38,557,961.20, 57,931,420.20 and 28,992,023.20 is: 43,559,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557,961.20 : 57,931,420.20 = 28,992,023.20 : x
  2. Step 2: Convert to fraction form
    38,557,961.20/57,931,420.20 = 28,992,023.20/x
  3. Step 3: Cross multiply
    38,557,961.20x = 57,931,420.20 × 28,992,023.20
  4. Step 4: Simplify right side
    38,557,961.20x = 1,679,549,078,447,348.75
  5. Step 5: Solve for x
    x = 1,679,549,078,447,348.75/38,557,961.20
  6. Step 6: Final answer
    x = 43,559,073.82

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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.