Home / 28,610,711.60-42,916,067.40-25,475,428.40

Finding the Fourth Proportional to 28,610,711.60, 42,916,067.40 and 25,475,428.40

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Solution

The fourth proportional to 28,610,711.60, 42,916,067.40 and 25,475,428.40 is: 38,213,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610,711.60 : 42,916,067.40 = 25,475,428.40 : x
  2. Step 2: Convert to fraction form
    28,610,711.60/42,916,067.40 = 25,475,428.40/x
  3. Step 3: Cross multiply
    28,610,711.60x = 42,916,067.40 × 25,475,428.40
  4. Step 4: Simplify right side
    28,610,711.60x = 1,093,305,202,258,274
  5. Step 5: Solve for x
    x = 1,093,305,202,258,274/28,610,711.60
  6. Step 6: Final answer
    x = 38,213,142.60

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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.