Home / 6,897,577.18-9,518,659.14-3,998,648.54

Finding the Fourth Proportional to 6,897,577.18, 9,518,659.14 and 3,998,648.54

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Solution

The fourth proportional to 6,897,577.18, 9,518,659.14 and 3,998,648.54 is: 5,518,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,577.18 : 9,518,659.14 = 3,998,648.54 : x
  2. Step 2: Convert to fraction form
    6,897,577.18/9,518,659.14 = 3,998,648.54/x
  3. Step 3: Cross multiply
    6,897,577.18x = 9,518,659.14 × 3,998,648.54
  4. Step 4: Simplify right side
    6,897,577.18x = 38,061,772,472,918.66
  5. Step 5: Solve for x
    x = 38,061,772,472,918.66/6,897,577.18
  6. Step 6: Final answer
    x = 5,518,136.51

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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.