Home / 28,172,028.30-42,258,042.45-27,794,114.70

Finding the Fourth Proportional to 28,172,028.30, 42,258,042.45 and 27,794,114.70

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Solution

The fourth proportional to 28,172,028.30, 42,258,042.45 and 27,794,114.70 is: 41,691,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172,028.30 : 42,258,042.45 = 27,794,114.70 : x
  2. Step 2: Convert to fraction form
    28,172,028.30/42,258,042.45 = 27,794,114.70/x
  3. Step 3: Cross multiply
    28,172,028.30x = 42,258,042.45 × 27,794,114.70
  4. Step 4: Simplify right side
    28,172,028.30x = 1,174,524,878,852,769
  5. Step 5: Solve for x
    x = 1,174,524,878,852,769/28,172,028.30
  6. Step 6: Final answer
    x = 41,691,172.05

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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.