Home / 12,378,046.40-18,531,640.20-10,960,870.40

Finding the Fourth Proportional to 12,378,046.40, 18,531,640.20 and 10,960,870.40

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Solution

The fourth proportional to 12,378,046.40, 18,531,640.20 and 10,960,870.40 is: 16,409,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,046.40 : 18,531,640.20 = 10,960,870.40 : x
  2. Step 2: Convert to fraction form
    12,378,046.40/18,531,640.20 = 10,960,870.40/x
  3. Step 3: Cross multiply
    12,378,046.40x = 18,531,640.20 × 10,960,870.40
  4. Step 4: Simplify right side
    12,378,046.40x = 203,122,906,531,630.09
  5. Step 5: Solve for x
    x = 203,122,906,531,630.09/12,378,046.40
  6. Step 6: Final answer
    x = 16,409,932.55

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1.5x scale

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.