Home / 14,102,078.82-21,155,001.28-5,580,422.38

Finding the Fourth Proportional to 14,102,078.82, 21,155,001.28 and 5,580,422.38

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Solution

The fourth proportional to 14,102,078.82, 21,155,001.28 and 5,580,422.38 is: 8,371,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102,078.82 : 21,155,001.28 = 5,580,422.38 : x
  2. Step 2: Convert to fraction form
    14,102,078.82/21,155,001.28 = 5,580,422.38/x
  3. Step 3: Cross multiply
    14,102,078.82x = 21,155,001.28 × 5,580,422.38
  4. Step 4: Simplify right side
    14,102,078.82x = 118,053,842,591,840.66
  5. Step 5: Solve for x
    x = 118,053,842,591,840.66/14,102,078.82
  6. Step 6: Final answer
    x = 8,371,378.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.