Home / 12,451,448.76-18,638,866.07-8,124,181.33

Finding the Fourth Proportional to 12,451,448.76, 18,638,866.07 and 8,124,181.33

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Solution

The fourth proportional to 12,451,448.76, 18,638,866.07 and 8,124,181.33 is: 12,161,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,448.76 : 18,638,866.07 = 8,124,181.33 : x
  2. Step 2: Convert to fraction form
    12,451,448.76/18,638,866.07 = 8,124,181.33/x
  3. Step 3: Cross multiply
    12,451,448.76x = 18,638,866.07 × 8,124,181.33
  4. Step 4: Simplify right side
    12,451,448.76x = 151,425,527,645,070.16
  5. Step 5: Solve for x
    x = 151,425,527,645,070.16/12,451,448.76
  6. Step 6: Final answer
    x = 12,161,277.83

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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.