Home / 13,739,843.92-18,960,244.12-7,627,878.64

Finding the Fourth Proportional to 13,739,843.92, 18,960,244.12 and 7,627,878.64

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Solution

The fourth proportional to 13,739,843.92, 18,960,244.12 and 7,627,878.64 is: 10,526,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,843.92 : 18,960,244.12 = 7,627,878.64 : x
  2. Step 2: Convert to fraction form
    13,739,843.92/18,960,244.12 = 7,627,878.64/x
  3. Step 3: Cross multiply
    13,739,843.92x = 18,960,244.12 × 7,627,878.64
  4. Step 4: Simplify right side
    13,739,843.92x = 144,626,441,132,133.59
  5. Step 5: Solve for x
    x = 144,626,441,132,133.59/13,739,843.92
  6. Step 6: Final answer
    x = 10,526,061.43

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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.