Home / 8,988,540.16-12,405,400.82-5,069,102.30

Finding the Fourth Proportional to 8,988,540.16, 12,405,400.82 and 5,069,102.30

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Solution

The fourth proportional to 8,988,540.16, 12,405,400.82 and 5,069,102.30 is: 6,996,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,540.16 : 12,405,400.82 = 5,069,102.30 : x
  2. Step 2: Convert to fraction form
    8,988,540.16/12,405,400.82 = 5,069,102.30/x
  3. Step 3: Cross multiply
    8,988,540.16x = 12,405,400.82 × 5,069,102.30
  4. Step 4: Simplify right side
    8,988,540.16x = 62,884,245,829,083.88
  5. Step 5: Solve for x
    x = 62,884,245,829,083.88/8,988,540.16
  6. Step 6: Final answer
    x = 6,996,046.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.