Home / 7,380,575.16-11,070,115.21-1,989,770.52

Finding the Fourth Proportional to 7,380,575.16, 11,070,115.21 and 1,989,770.52

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Solution

The fourth proportional to 7,380,575.16, 11,070,115.21 and 1,989,770.52 is: 2,984,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,575.16 : 11,070,115.21 = 1,989,770.52 : x
  2. Step 2: Convert to fraction form
    7,380,575.16/11,070,115.21 = 1,989,770.52/x
  3. Step 3: Cross multiply
    7,380,575.16x = 11,070,115.21 × 1,989,770.52
  4. Step 4: Simplify right side
    7,380,575.16x = 22,026,988,897,861.61
  5. Step 5: Solve for x
    x = 22,026,988,897,861.61/7,380,575.16
  6. Step 6: Final answer
    x = 2,984,454.25

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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.