Home / 18,728,718.90-28,045,839.15-14,949,582.90

Finding the Fourth Proportional to 18,728,718.90, 28,045,839.15 and 14,949,582.90

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Solution

The fourth proportional to 18,728,718.90, 28,045,839.15 and 14,949,582.90 is: 22,386,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,718.90 : 28,045,839.15 = 14,949,582.90 : x
  2. Step 2: Convert to fraction form
    18,728,718.90/28,045,839.15 = 14,949,582.90/x
  3. Step 3: Cross multiply
    18,728,718.90x = 28,045,839.15 × 14,949,582.90
  4. Step 4: Simplify right side
    18,728,718.90x = 419,273,597,372,990.50
  5. Step 5: Solve for x
    x = 419,273,597,372,990.50/18,728,718.90
  6. Step 6: Final answer
    x = 22,386,667.21

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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.