Home / 22,397,117.71-30,891,520.84-16,890,724.65

Finding the Fourth Proportional to 22,397,117.71, 30,891,520.84 and 16,890,724.65

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Solution

The fourth proportional to 22,397,117.71, 30,891,520.84 and 16,890,724.65 is: 23,296,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397,117.71 : 30,891,520.84 = 16,890,724.65 : x
  2. Step 2: Convert to fraction form
    22,397,117.71/30,891,520.84 = 16,890,724.65/x
  3. Step 3: Cross multiply
    22,397,117.71x = 30,891,520.84 × 16,890,724.65
  4. Step 4: Simplify right side
    22,397,117.71x = 521,780,172,528,176.69
  5. Step 5: Solve for x
    x = 521,780,172,528,176.69/22,397,117.71
  6. Step 6: Final answer
    x = 23,296,755.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.