Home / 15,373,470.17-21,215,431.60-8,404,231.94

Finding the Fourth Proportional to 15,373,470.17, 21,215,431.60 and 8,404,231.94

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Solution

The fourth proportional to 15,373,470.17, 21,215,431.60 and 8,404,231.94 is: 11,597,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373,470.17 : 21,215,431.60 = 8,404,231.94 : x
  2. Step 2: Convert to fraction form
    15,373,470.17/21,215,431.60 = 8,404,231.94/x
  3. Step 3: Cross multiply
    15,373,470.17x = 21,215,431.60 × 8,404,231.94
  4. Step 4: Simplify right side
    15,373,470.17x = 178,299,407,873,605.31
  5. Step 5: Solve for x
    x = 178,299,407,873,605.31/15,373,470.17
  6. Step 6: Final answer
    x = 11,597,863.46

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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.