Home / 10,890,400.80-16,335,601.20-9,397,408.80

Finding the Fourth Proportional to 10,890,400.80, 16,335,601.20 and 9,397,408.80

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Solution

The fourth proportional to 10,890,400.80, 16,335,601.20 and 9,397,408.80 is: 14,096,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,400.80 : 16,335,601.20 = 9,397,408.80 : x
  2. Step 2: Convert to fraction form
    10,890,400.80/16,335,601.20 = 9,397,408.80/x
  3. Step 3: Cross multiply
    10,890,400.80x = 16,335,601.20 × 9,397,408.80
  4. Step 4: Simplify right side
    10,890,400.80x = 153,512,322,470,170.56
  5. Step 5: Solve for x
    x = 153,512,322,470,170.56/10,890,400.80
  6. Step 6: Final answer
    x = 14,096,113.20

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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.