Home / 12,643,278.39-17,447,777.42-6,842,060.42

Finding the Fourth Proportional to 12,643,278.39, 17,447,777.42 and 6,842,060.42

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Solution

The fourth proportional to 12,643,278.39, 17,447,777.42 and 6,842,060.42 is: 9,442,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,278.39 : 17,447,777.42 = 6,842,060.42 : x
  2. Step 2: Convert to fraction form
    12,643,278.39/17,447,777.42 = 6,842,060.42/x
  3. Step 3: Cross multiply
    12,643,278.39x = 17,447,777.42 × 6,842,060.42
  4. Step 4: Simplify right side
    12,643,278.39x = 119,378,747,180,902.52
  5. Step 5: Solve for x
    x = 119,378,747,180,902.52/12,643,278.39
  6. Step 6: Final answer
    x = 9,442,072.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.