Home / 11,512,981.98-15,887,870.82-6,356,305.62

Finding the Fourth Proportional to 11,512,981.98, 15,887,870.82 and 6,356,305.62

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Solution

The fourth proportional to 11,512,981.98, 15,887,870.82 and 6,356,305.62 is: 8,771,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512,981.98 : 15,887,870.82 = 6,356,305.62 : x
  2. Step 2: Convert to fraction form
    11,512,981.98/15,887,870.82 = 6,356,305.62/x
  3. Step 3: Cross multiply
    11,512,981.98x = 15,887,870.82 × 6,356,305.62
  4. Step 4: Simplify right side
    11,512,981.98x = 100,988,162,583,000.02
  5. Step 5: Solve for x
    x = 100,988,162,583,000.02/11,512,981.98
  6. Step 6: Final answer
    x = 8,771,677.29

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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.