Home / 12,250,709.12-18,378,829.32-4,053,331.92

Finding the Fourth Proportional to 12,250,709.12, 18,378,829.32 and 4,053,331.92

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Solution

The fourth proportional to 12,250,709.12, 18,378,829.32 and 4,053,331.92 is: 6,080,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,709.12 : 18,378,829.32 = 4,053,331.92 : x
  2. Step 2: Convert to fraction form
    12,250,709.12/18,378,829.32 = 4,053,331.92/x
  3. Step 3: Cross multiply
    12,250,709.12x = 18,378,829.32 × 4,053,331.92
  4. Step 4: Simplify right side
    12,250,709.12x = 74,495,495,534,987.89
  5. Step 5: Solve for x
    x = 74,495,495,534,987.89/12,250,709.12
  6. Step 6: Final answer
    x = 6,080,912.93

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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.