Home / 12,906,218.08-19,371,290.04-6,520,958.08

Finding the Fourth Proportional to 12,906,218.08, 19,371,290.04 and 6,520,958.08

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Solution

The fourth proportional to 12,906,218.08, 19,371,290.04 and 6,520,958.08 is: 9,787,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,218.08 : 19,371,290.04 = 6,520,958.08 : x
  2. Step 2: Convert to fraction form
    12,906,218.08/19,371,290.04 = 6,520,958.08/x
  3. Step 3: Cross multiply
    12,906,218.08x = 19,371,290.04 × 6,520,958.08
  4. Step 4: Simplify right side
    12,906,218.08x = 126,319,370,306,361.52
  5. Step 5: Solve for x
    x = 126,319,370,306,361.52/12,906,218.08
  6. Step 6: Final answer
    x = 9,787,481.47

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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.