Home / 12,557,139.75-17,324,477.46-7,911,339.75

Finding the Fourth Proportional to 12,557,139.75, 17,324,477.46 and 7,911,339.75

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Solution

The fourth proportional to 12,557,139.75, 17,324,477.46 and 7,911,339.75 is: 10,914,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,139.75 : 17,324,477.46 = 7,911,339.75 : x
  2. Step 2: Convert to fraction form
    12,557,139.75/17,324,477.46 = 7,911,339.75/x
  3. Step 3: Cross multiply
    12,557,139.75x = 17,324,477.46 × 7,911,339.75
  4. Step 4: Simplify right side
    12,557,139.75x = 137,059,827,177,277.05
  5. Step 5: Solve for x
    x = 137,059,827,177,277.05/12,557,139.75
  6. Step 6: Final answer
    x = 10,914,892.24

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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.