Home / 12,068,851.78-18,111,327.12-4,392,494.48

Finding the Fourth Proportional to 12,068,851.78, 18,111,327.12 and 4,392,494.48

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Solution

The fourth proportional to 12,068,851.78, 18,111,327.12 and 4,392,494.48 is: 6,591,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,851.78 : 18,111,327.12 = 4,392,494.48 : x
  2. Step 2: Convert to fraction form
    12,068,851.78/18,111,327.12 = 4,392,494.48/x
  3. Step 3: Cross multiply
    12,068,851.78x = 18,111,327.12 × 4,392,494.48
  4. Step 4: Simplify right side
    12,068,851.78x = 79,553,904,400,074.31
  5. Step 5: Solve for x
    x = 79,553,904,400,074.31/12,068,851.78
  6. Step 6: Final answer
    x = 6,591,671.34

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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.