Home / 11,278,050.12-15,563,292.20-6,121,301.76

Finding the Fourth Proportional to 11,278,050.12, 15,563,292.20 and 6,121,301.76

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Solution

The fourth proportional to 11,278,050.12, 15,563,292.20 and 6,121,301.76 is: 8,447,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,050.12 : 15,563,292.20 = 6,121,301.76 : x
  2. Step 2: Convert to fraction form
    11,278,050.12/15,563,292.20 = 6,121,301.76/x
  3. Step 3: Cross multiply
    11,278,050.12x = 15,563,292.20 × 6,121,301.76
  4. Step 4: Simplify right side
    11,278,050.12x = 95,267,607,904,647.77
  5. Step 5: Solve for x
    x = 95,267,607,904,647.77/11,278,050.12
  6. Step 6: Final answer
    x = 8,447,170.11

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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.