Home / 9,970,132.78-13,758,765.87-5,386,439.98

Finding the Fourth Proportional to 9,970,132.78, 13,758,765.87 and 5,386,439.98

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Solution

The fourth proportional to 9,970,132.78, 13,758,765.87 and 5,386,439.98 is: 7,433,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970,132.78 : 13,758,765.87 = 5,386,439.98 : x
  2. Step 2: Convert to fraction form
    9,970,132.78/13,758,765.87 = 5,386,439.98/x
  3. Step 3: Cross multiply
    9,970,132.78x = 13,758,765.87 × 5,386,439.98
  4. Step 4: Simplify right side
    9,970,132.78x = 74,110,766,557,627.48
  5. Step 5: Solve for x
    x = 74,110,766,557,627.48/9,970,132.78
  6. Step 6: Final answer
    x = 7,433,277.79

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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.