Home / 14,917,531.32-20,580,363.36-8,389,663.56

Finding the Fourth Proportional to 14,917,531.32, 20,580,363.36 and 8,389,663.56

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Solution

The fourth proportional to 14,917,531.32, 20,580,363.36 and 8,389,663.56 is: 11,574,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917,531.32 : 20,580,363.36 = 8,389,663.56 : x
  2. Step 2: Convert to fraction form
    14,917,531.32/20,580,363.36 = 8,389,663.56/x
  3. Step 3: Cross multiply
    14,917,531.32x = 20,580,363.36 × 8,389,663.56
  4. Step 4: Simplify right side
    14,917,531.32x = 172,662,324,532,951.16
  5. Step 5: Solve for x
    x = 172,662,324,532,951.16/14,917,531.32
  6. Step 6: Final answer
    x = 11,574,456.98

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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.