Home / 18,686,301.60-28,029,452.40-17,552,560.80

Finding the Fourth Proportional to 18,686,301.60, 28,029,452.40 and 17,552,560.80

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Solution

The fourth proportional to 18,686,301.60, 28,029,452.40 and 17,552,560.80 is: 26,328,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,301.60 : 28,029,452.40 = 17,552,560.80 : x
  2. Step 2: Convert to fraction form
    18,686,301.60/28,029,452.40 = 17,552,560.80/x
  3. Step 3: Cross multiply
    18,686,301.60x = 28,029,452.40 × 17,552,560.80
  4. Step 4: Simplify right side
    18,686,301.60x = 491,988,667,441,705.94
  5. Step 5: Solve for x
    x = 491,988,667,441,705.94/18,686,301.60
  6. Step 6: Final answer
    x = 26,328,841.20

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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.