Home / 18,722,943.90-28,037,176.65-14,943,807.90

Finding the Fourth Proportional to 18,722,943.90, 28,037,176.65 and 14,943,807.90

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Solution

The fourth proportional to 18,722,943.90, 28,037,176.65 and 14,943,807.90 is: 22,378,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,943.90 : 28,037,176.65 = 14,943,807.90 : x
  2. Step 2: Convert to fraction form
    18,722,943.90/28,037,176.65 = 14,943,807.90/x
  3. Step 3: Cross multiply
    18,722,943.90x = 28,037,176.65 × 14,943,807.90
  4. Step 4: Simplify right side
    18,722,943.90x = 418,982,181,915,965.50
  5. Step 5: Solve for x
    x = 418,982,181,915,965.50/18,722,943.90
  6. Step 6: Final answer
    x = 22,378,007.65

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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.