Home / 12,645,883.72-17,451,742.51-7,750,159.79

Finding the Fourth Proportional to 12,645,883.72, 17,451,742.51 and 7,750,159.79

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Solution

The fourth proportional to 12,645,883.72, 17,451,742.51 and 7,750,159.79 is: 10,695,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,883.72 : 17,451,742.51 = 7,750,159.79 : x
  2. Step 2: Convert to fraction form
    12,645,883.72/17,451,742.51 = 7,750,159.79/x
  3. Step 3: Cross multiply
    12,645,883.72x = 17,451,742.51 × 7,750,159.79
  4. Step 4: Simplify right side
    12,645,883.72x = 135,253,792,988,864.67
  5. Step 5: Solve for x
    x = 135,253,792,988,864.67/12,645,883.72
  6. Step 6: Final answer
    x = 10,695,479.73

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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.