Home / 7,434,561.20-11,149,217.40-2,642,406.80

Finding the Fourth Proportional to 7,434,561.20, 11,149,217.40 and 2,642,406.80

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Solution

The fourth proportional to 7,434,561.20, 11,149,217.40 and 2,642,406.80 is: 3,962,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434,561.20 : 11,149,217.40 = 2,642,406.80 : x
  2. Step 2: Convert to fraction form
    7,434,561.20/11,149,217.40 = 2,642,406.80/x
  3. Step 3: Cross multiply
    7,434,561.20x = 11,149,217.40 × 2,642,406.80
  4. Step 4: Simplify right side
    7,434,561.20x = 29,460,767,872,438.32
  5. Step 5: Solve for x
    x = 29,460,767,872,438.32/7,434,561.20
  6. Step 6: Final answer
    x = 3,962,677.43

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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.