Home / 19,251,772.38-28,878,710.38-4,874,964.73

Finding the Fourth Proportional to 19,251,772.38, 28,878,710.38 and 4,874,964.73

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Solution

The fourth proportional to 19,251,772.38, 28,878,710.38 and 4,874,964.73 is: 7,312,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,772.38 : 28,878,710.38 = 4,874,964.73 : x
  2. Step 2: Convert to fraction form
    19,251,772.38/28,878,710.38 = 4,874,964.73/x
  3. Step 3: Cross multiply
    19,251,772.38x = 28,878,710.38 × 4,874,964.73
  4. Step 4: Simplify right side
    19,251,772.38x = 140,782,694,492,423.31
  5. Step 5: Solve for x
    x = 140,782,694,492,423.31/19,251,772.38
  6. Step 6: Final answer
    x = 7,312,713.43

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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.