Home / 23,111,947.74-31,894,459.11-12,798,658.38

Finding the Fourth Proportional to 23,111,947.74, 31,894,459.11 and 12,798,658.38

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Solution

The fourth proportional to 23,111,947.74, 31,894,459.11 and 12,798,658.38 is: 17,662,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111,947.74 : 31,894,459.11 = 12,798,658.38 : x
  2. Step 2: Convert to fraction form
    23,111,947.74/31,894,459.11 = 12,798,658.38/x
  3. Step 3: Cross multiply
    23,111,947.74x = 31,894,459.11 × 12,798,658.38
  4. Step 4: Simplify right side
    23,111,947.74x = 408,206,286,363,768.88
  5. Step 5: Solve for x
    x = 408,206,286,363,768.88/23,111,947.74
  6. Step 6: Final answer
    x = 17,662,132.63

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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.