Home / 28,420,481.68-42,641,427.48-17,068,844.56

Finding the Fourth Proportional to 28,420,481.68, 42,641,427.48 and 17,068,844.56

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Solution

The fourth proportional to 28,420,481.68, 42,641,427.48 and 17,068,844.56 is: 25,609,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,481.68 : 42,641,427.48 = 17,068,844.56 : x
  2. Step 2: Convert to fraction form
    28,420,481.68/42,641,427.48 = 17,068,844.56/x
  3. Step 3: Cross multiply
    28,420,481.68x = 42,641,427.48 × 17,068,844.56
  4. Step 4: Simplify right side
    28,420,481.68x = 727,839,897,472,632.38
  5. Step 5: Solve for x
    x = 727,839,897,472,632.38/28,420,481.68
  6. Step 6: Final answer
    x = 25,609,696.05

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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.