Home / 12,540,280.68-17,304,203.61-7,032,522.15

Finding the Fourth Proportional to 12,540,280.68, 17,304,203.61 and 7,032,522.15

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Solution

The fourth proportional to 12,540,280.68, 17,304,203.61 and 7,032,522.15 is: 9,704,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,280.68 : 17,304,203.61 = 7,032,522.15 : x
  2. Step 2: Convert to fraction form
    12,540,280.68/17,304,203.61 = 7,032,522.15/x
  3. Step 3: Cross multiply
    12,540,280.68x = 17,304,203.61 × 7,032,522.15
  4. Step 4: Simplify right side
    12,540,280.68x = 121,692,195,175,434.97
  5. Step 5: Solve for x
    x = 121,692,195,175,434.97/12,540,280.68
  6. Step 6: Final answer
    x = 9,704,104.58

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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.