Home / 22,703,220.15-31,348,295.24-18,278,891.75

Finding the Fourth Proportional to 22,703,220.15, 31,348,295.24 and 18,278,891.75

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Solution

The fourth proportional to 22,703,220.15, 31,348,295.24 and 18,278,891.75 is: 25,239,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703,220.15 : 31,348,295.24 = 18,278,891.75 : x
  2. Step 2: Convert to fraction form
    22,703,220.15/31,348,295.24 = 18,278,891.75/x
  3. Step 3: Cross multiply
    22,703,220.15x = 31,348,295.24 × 18,278,891.75
  4. Step 4: Simplify right side
    22,703,220.15x = 573,012,094,990,864.38
  5. Step 5: Solve for x
    x = 573,012,094,990,864.38/22,703,220.15
  6. Step 6: Final answer
    x = 25,239,243.21

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1.5x scale

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.