Home / 12,464,265-18,696,380.08-6,928,319.76

Finding the Fourth Proportional to 12,464,265, 18,696,380.08 and 6,928,319.76

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Solution

The fourth proportional to 12,464,265, 18,696,380.08 and 6,928,319.76 is: 10,392,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,265 : 18,696,380.08 = 6,928,319.76 : x
  2. Step 2: Convert to fraction form
    12,464,265/18,696,380.08 = 6,928,319.76/x
  3. Step 3: Cross multiply
    12,464,265x = 18,696,380.08 × 6,928,319.76
  4. Step 4: Simplify right side
    12,464,265x = 129,534,499,548,734.36
  5. Step 5: Solve for x
    x = 129,534,499,548,734.36/12,464,265
  6. Step 6: Final answer
    x = 10,392,469.96

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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.