Home / 12,923,388.31-17,834,278.71-7,043,023.93

Finding the Fourth Proportional to 12,923,388.31, 17,834,278.71 and 7,043,023.93

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Solution

The fourth proportional to 12,923,388.31, 17,834,278.71 and 7,043,023.93 is: 9,719,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,388.31 : 17,834,278.71 = 7,043,023.93 : x
  2. Step 2: Convert to fraction form
    12,923,388.31/17,834,278.71 = 7,043,023.93/x
  3. Step 3: Cross multiply
    12,923,388.31x = 17,834,278.71 × 7,043,023.93
  4. Step 4: Simplify right side
    12,923,388.31x = 125,607,251,728,819.53
  5. Step 5: Solve for x
    x = 125,607,251,728,819.53/12,923,388.31
  6. Step 6: Final answer
    x = 9,719,374.57

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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.