Home / 12,177,371.59-18,240,638.97-7,304,223.48

Finding the Fourth Proportional to 12,177,371.59, 18,240,638.97 and 7,304,223.48

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Solution

The fourth proportional to 12,177,371.59, 18,240,638.97 and 7,304,223.48 is: 10,941,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,371.59 : 18,240,638.97 = 7,304,223.48 : x
  2. Step 2: Convert to fraction form
    12,177,371.59/18,240,638.97 = 7,304,223.48/x
  3. Step 3: Cross multiply
    12,177,371.59x = 18,240,638.97 × 7,304,223.48
  4. Step 4: Simplify right side
    12,177,371.59x = 133,233,703,454,877.02
  5. Step 5: Solve for x
    x = 133,233,703,454,877.02/12,177,371.59
  6. Step 6: Final answer
    x = 10,941,088.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.