Home / 11,555,981.75-15,947,240.42-6,399,337.07

Finding the Fourth Proportional to 11,555,981.75, 15,947,240.42 and 6,399,337.07

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Solution

The fourth proportional to 11,555,981.75, 15,947,240.42 and 6,399,337.07 is: 8,831,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,981.75 : 15,947,240.42 = 6,399,337.07 : x
  2. Step 2: Convert to fraction form
    11,555,981.75/15,947,240.42 = 6,399,337.07/x
  3. Step 3: Cross multiply
    11,555,981.75x = 15,947,240.42 × 6,399,337.07
  4. Step 4: Simplify right side
    11,555,981.75x = 102,051,766,672,175.48
  5. Step 5: Solve for x
    x = 102,051,766,672,175.48/11,555,981.75
  6. Step 6: Final answer
    x = 8,831,077.18

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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.