Home / 14,100,441.20-21,156,191.40-5,125,900.40

Finding the Fourth Proportional to 14,100,441.20, 21,156,191.40 and 5,125,900.40

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Solution

The fourth proportional to 14,100,441.20, 21,156,191.40 and 5,125,900.40 is: 7,690,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100,441.20 : 21,156,191.40 = 5,125,900.40 : x
  2. Step 2: Convert to fraction form
    14,100,441.20/21,156,191.40 = 5,125,900.40/x
  3. Step 3: Cross multiply
    14,100,441.20x = 21,156,191.40 × 5,125,900.40
  4. Step 4: Simplify right side
    14,100,441.20x = 108,444,529,959,736.56
  5. Step 5: Solve for x
    x = 108,444,529,959,736.56/14,100,441.20
  6. Step 6: Final answer
    x = 7,690,860.76

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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.