Home / 12,540,243.92-17,304,152.96-7,032,485.36

Finding the Fourth Proportional to 12,540,243.92, 17,304,152.96 and 7,032,485.36

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Solution

The fourth proportional to 12,540,243.92, 17,304,152.96 and 7,032,485.36 is: 9,704,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,243.92 : 17,304,152.96 = 7,032,485.36 : x
  2. Step 2: Convert to fraction form
    12,540,243.92/17,304,152.96 = 7,032,485.36/x
  3. Step 3: Cross multiply
    12,540,243.92x = 17,304,152.96 × 7,032,485.36
  4. Step 4: Simplify right side
    12,540,243.92x = 121,691,202,236,717.47
  5. Step 5: Solve for x
    x = 121,691,202,236,717.47/12,540,243.92
  6. Step 6: Final answer
    x = 9,704,053.85

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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.