Home / 8,178,713.78-12,270,278.93-2,498,783.18

Finding the Fourth Proportional to 8,178,713.78, 12,270,278.93 and 2,498,783.18

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Solution

The fourth proportional to 8,178,713.78, 12,270,278.93 and 2,498,783.18 is: 3,748,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,713.78 : 12,270,278.93 = 2,498,783.18 : x
  2. Step 2: Convert to fraction form
    8,178,713.78/12,270,278.93 = 2,498,783.18/x
  3. Step 3: Cross multiply
    8,178,713.78x = 12,270,278.93 × 2,498,783.18
  4. Step 4: Simplify right side
    8,178,713.78x = 30,660,766,530,347.09
  5. Step 5: Solve for x
    x = 30,660,766,530,347.09/8,178,713.78
  6. Step 6: Final answer
    x = 3,748,849.44

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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.