Home / 12,863,695.41-17,752,398.89-7,062,721.65

Finding the Fourth Proportional to 12,863,695.41, 17,752,398.89 and 7,062,721.65

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Solution

The fourth proportional to 12,863,695.41, 17,752,398.89 and 7,062,721.65 is: 9,746,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,695.41 : 17,752,398.89 = 7,062,721.65 : x
  2. Step 2: Convert to fraction form
    12,863,695.41/17,752,398.89 = 7,062,721.65/x
  3. Step 3: Cross multiply
    12,863,695.41x = 17,752,398.89 × 7,062,721.65
  4. Step 4: Simplify right side
    12,863,695.41x = 125,380,251,944,525.38
  5. Step 5: Solve for x
    x = 125,380,251,944,525.38/12,863,695.41
  6. Step 6: Final answer
    x = 9,746,829.97

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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.