Home / 49,788,015.40-74,682,023.10-28,264,654.90

Finding the Fourth Proportional to 49,788,015.40, 74,682,023.10 and 28,264,654.90

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Solution

The fourth proportional to 49,788,015.40, 74,682,023.10 and 28,264,654.90 is: 42,396,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,788,015.40 : 74,682,023.10 = 28,264,654.90 : x
  2. Step 2: Convert to fraction form
    49,788,015.40/74,682,023.10 = 28,264,654.90/x
  3. Step 3: Cross multiply
    49,788,015.40x = 74,682,023.10 × 28,264,654.90
  4. Step 4: Simplify right side
    49,788,015.40x = 2,110,861,610,155,328
  5. Step 5: Solve for x
    x = 2,110,861,610,155,328/49,788,015.40
  6. Step 6: Final answer
    x = 42,396,982.35

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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.