Home / 28,957,791.60-43,436,687.40-19,258,009.20

Finding the Fourth Proportional to 28,957,791.60, 43,436,687.40 and 19,258,009.20

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Solution

The fourth proportional to 28,957,791.60, 43,436,687.40 and 19,258,009.20 is: 28,887,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,791.60 : 43,436,687.40 = 19,258,009.20 : x
  2. Step 2: Convert to fraction form
    28,957,791.60/43,436,687.40 = 19,258,009.20/x
  3. Step 3: Cross multiply
    28,957,791.60x = 43,436,687.40 × 19,258,009.20
  4. Step 4: Simplify right side
    28,957,791.60x = 836,504,125,566,724
  5. Step 5: Solve for x
    x = 836,504,125,566,724/28,957,791.60
  6. Step 6: Final answer
    x = 28,887,013.80

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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.