Home / 13,432,203.60-20,148,305.40-12,256,472.40

Finding the Fourth Proportional to 13,432,203.60, 20,148,305.40 and 12,256,472.40

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Solution

The fourth proportional to 13,432,203.60, 20,148,305.40 and 12,256,472.40 is: 18,384,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,203.60 : 20,148,305.40 = 12,256,472.40 : x
  2. Step 2: Convert to fraction form
    13,432,203.60/20,148,305.40 = 12,256,472.40/x
  3. Step 3: Cross multiply
    13,432,203.60x = 20,148,305.40 × 12,256,472.40
  4. Step 4: Simplify right side
    13,432,203.60x = 246,947,149,041,870.94
  5. Step 5: Solve for x
    x = 246,947,149,041,870.94/13,432,203.60
  6. Step 6: Final answer
    x = 18,384,708.60

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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.