Home / 8,290,849.51-12,436,272.44-3,238,617.07

Finding the Fourth Proportional to 8,290,849.51, 12,436,272.44 and 3,238,617.07

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Solution

The fourth proportional to 8,290,849.51, 12,436,272.44 and 3,238,617.07 is: 4,857,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,849.51 : 12,436,272.44 = 3,238,617.07 : x
  2. Step 2: Convert to fraction form
    8,290,849.51/12,436,272.44 = 3,238,617.07/x
  3. Step 3: Cross multiply
    8,290,849.51x = 12,436,272.44 × 3,238,617.07
  4. Step 4: Simplify right side
    8,290,849.51x = 40,276,324,164,070.78
  5. Step 5: Solve for x
    x = 40,276,324,164,070.78/8,290,849.51
  6. Step 6: Final answer
    x = 4,857,924.89

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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.