Home / 14,619,608.31-20,168,726.52-8,815,165.47

Finding the Fourth Proportional to 14,619,608.31, 20,168,726.52 and 8,815,165.47

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Solution

The fourth proportional to 14,619,608.31, 20,168,726.52 and 8,815,165.47 is: 12,161,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619,608.31 : 20,168,726.52 = 8,815,165.47 : x
  2. Step 2: Convert to fraction form
    14,619,608.31/20,168,726.52 = 8,815,165.47/x
  3. Step 3: Cross multiply
    14,619,608.31x = 20,168,726.52 × 8,815,165.47
  4. Step 4: Simplify right side
    14,619,608.31x = 177,790,661,592,977.28
  5. Step 5: Solve for x
    x = 177,790,661,592,977.28/14,619,608.31
  6. Step 6: Final answer
    x = 12,161,109.78

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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.