Home / 28,190,766.10-42,282,001.95-7,998,049.30

Finding the Fourth Proportional to 28,190,766.10, 42,282,001.95 and 7,998,049.30

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Solution

The fourth proportional to 28,190,766.10, 42,282,001.95 and 7,998,049.30 is: 11,995,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,766.10 : 42,282,001.95 = 7,998,049.30 : x
  2. Step 2: Convert to fraction form
    28,190,766.10/42,282,001.95 = 7,998,049.30/x
  3. Step 3: Cross multiply
    28,190,766.10x = 42,282,001.95 × 7,998,049.30
  4. Step 4: Simplify right side
    28,190,766.10x = 338,173,536,098,796.12
  5. Step 5: Solve for x
    x = 338,173,536,098,796.12/28,190,766.10
  6. Step 6: Final answer
    x = 11,995,897.34

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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.