Home / 31,948,340.60-47,873,746.42-18,968,932.20

Finding the Fourth Proportional to 31,948,340.60, 47,873,746.42 and 18,968,932.20

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Solution

The fourth proportional to 31,948,340.60, 47,873,746.42 and 18,968,932.20 is: 28,424,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948,340.60 : 47,873,746.42 = 18,968,932.20 : x
  2. Step 2: Convert to fraction form
    31,948,340.60/47,873,746.42 = 18,968,932.20/x
  3. Step 3: Cross multiply
    31,948,340.60x = 47,873,746.42 × 18,968,932.20
  4. Step 4: Simplify right side
    31,948,340.60x = 908,113,850,000,972.75
  5. Step 5: Solve for x
    x = 908,113,850,000,972.75/31,948,340.60
  6. Step 6: Final answer
    x = 28,424,444.99

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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.