Home / 12,914,017.13-17,822,152.22-7,112,796.72

Finding the Fourth Proportional to 12,914,017.13, 17,822,152.22 and 7,112,796.72

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Solution

The fourth proportional to 12,914,017.13, 17,822,152.22 and 7,112,796.72 is: 9,816,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,017.13 : 17,822,152.22 = 7,112,796.72 : x
  2. Step 2: Convert to fraction form
    12,914,017.13/17,822,152.22 = 7,112,796.72/x
  3. Step 3: Cross multiply
    12,914,017.13x = 17,822,152.22 × 7,112,796.72
  4. Step 4: Simplify right side
    12,914,017.13x = 126,765,345,818,192.73
  5. Step 5: Solve for x
    x = 126,765,345,818,192.73/12,914,017.13
  6. Step 6: Final answer
    x = 9,816,104.83

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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.