Home / 18,686,305.60-28,029,458.40-17,552,564.80

Finding the Fourth Proportional to 18,686,305.60, 28,029,458.40 and 17,552,564.80

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Solution

The fourth proportional to 18,686,305.60, 28,029,458.40 and 17,552,564.80 is: 26,328,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,305.60 : 28,029,458.40 = 17,552,564.80 : x
  2. Step 2: Convert to fraction form
    18,686,305.60/28,029,458.40 = 17,552,564.80/x
  3. Step 3: Cross multiply
    18,686,305.60x = 28,029,458.40 × 17,552,564.80
  4. Step 4: Simplify right side
    18,686,305.60x = 491,988,884,874,904.31
  5. Step 5: Solve for x
    x = 491,988,884,874,904.31/18,686,305.60
  6. Step 6: Final answer
    x = 26,328,847.20

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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.