Home / 47,261,981.70-70,892,972.55-18,498,557.70

Finding the Fourth Proportional to 47,261,981.70, 70,892,972.55 and 18,498,557.70

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Solution

The fourth proportional to 47,261,981.70, 70,892,972.55 and 18,498,557.70 is: 27,747,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,981.70 : 70,892,972.55 = 18,498,557.70 : x
  2. Step 2: Convert to fraction form
    47,261,981.70/70,892,972.55 = 18,498,557.70/x
  3. Step 3: Cross multiply
    47,261,981.70x = 70,892,972.55 × 18,498,557.70
  4. Step 4: Simplify right side
    47,261,981.70x = 1,311,417,743,240,691
  5. Step 5: Solve for x
    x = 1,311,417,743,240,691/47,261,981.70
  6. Step 6: Final answer
    x = 27,747,836.55

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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.