Home / 7,875,874.25-10,868,642.12-4,391,171.63

Finding the Fourth Proportional to 7,875,874.25, 10,868,642.12 and 4,391,171.63

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Solution

The fourth proportional to 7,875,874.25, 10,868,642.12 and 4,391,171.63 is: 6,059,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,874.25 : 10,868,642.12 = 4,391,171.63 : x
  2. Step 2: Convert to fraction form
    7,875,874.25/10,868,642.12 = 4,391,171.63/x
  3. Step 3: Cross multiply
    7,875,874.25x = 10,868,642.12 × 4,391,171.63
  4. Step 4: Simplify right side
    7,875,874.25x = 47,726,072,906,658.84
  5. Step 5: Solve for x
    x = 47,726,072,906,658.84/7,875,874.25
  6. Step 6: Final answer
    x = 6,059,780.97

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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.