Home / 12,612,120.84-17,404,726.45-6,810,902.11

Finding the Fourth Proportional to 12,612,120.84, 17,404,726.45 and 6,810,902.11

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Solution

The fourth proportional to 12,612,120.84, 17,404,726.45 and 6,810,902.11 is: 9,399,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,120.84 : 17,404,726.45 = 6,810,902.11 : x
  2. Step 2: Convert to fraction form
    12,612,120.84/17,404,726.45 = 6,810,902.11/x
  3. Step 3: Cross multiply
    12,612,120.84x = 17,404,726.45 × 6,810,902.11
  4. Step 4: Simplify right side
    12,612,120.84x = 118,541,888,067,279.62
  5. Step 5: Solve for x
    x = 118,541,888,067,279.62/12,612,120.84
  6. Step 6: Final answer
    x = 9,399,044.74

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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.