Home / 9,320,985.75-12,863,359.41-5,191,016.87

Finding the Fourth Proportional to 9,320,985.75, 12,863,359.41 and 5,191,016.87

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Solution

The fourth proportional to 9,320,985.75, 12,863,359.41 and 5,191,016.87 is: 7,163,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,985.75 : 12,863,359.41 = 5,191,016.87 : x
  2. Step 2: Convert to fraction form
    9,320,985.75/12,863,359.41 = 5,191,016.87/x
  3. Step 3: Cross multiply
    9,320,985.75x = 12,863,359.41 × 5,191,016.87
  4. Step 4: Simplify right side
    9,320,985.75x = 66,773,915,702,183.25
  5. Step 5: Solve for x
    x = 66,773,915,702,183.25/9,320,985.75
  6. Step 6: Final answer
    x = 7,163,825.53

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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.