Home / 15,107,117.31-22,667,373.87-7,916,941.71

Finding the Fourth Proportional to 15,107,117.31, 22,667,373.87 and 7,916,941.71

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Solution

The fourth proportional to 15,107,117.31, 22,667,373.87 and 7,916,941.71 is: 11,878,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107,117.31 : 22,667,373.87 = 7,916,941.71 : x
  2. Step 2: Convert to fraction form
    15,107,117.31/22,667,373.87 = 7,916,941.71/x
  3. Step 3: Cross multiply
    15,107,117.31x = 22,667,373.87 × 7,916,941.71
  4. Step 4: Simplify right side
    15,107,117.31x = 179,456,277,647,567.12
  5. Step 5: Solve for x
    x = 179,456,277,647,567.12/15,107,117.31
  6. Step 6: Final answer
    x = 11,878,922.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.