Home / 12,601,928.40-18,912,223.80-8,340,680.40

Finding the Fourth Proportional to 12,601,928.40, 18,912,223.80 and 8,340,680.40

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Solution

The fourth proportional to 12,601,928.40, 18,912,223.80 and 8,340,680.40 is: 12,517,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601,928.40 : 18,912,223.80 = 8,340,680.40 : x
  2. Step 2: Convert to fraction form
    12,601,928.40/18,912,223.80 = 8,340,680.40/x
  3. Step 3: Cross multiply
    12,601,928.40x = 18,912,223.80 × 8,340,680.40
  4. Step 4: Simplify right side
    12,601,928.40x = 157,740,814,369,073.53
  5. Step 5: Solve for x
    x = 157,740,814,369,073.53/12,601,928.40
  6. Step 6: Final answer
    x = 12,517,196.52

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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.