Home / 13,231,635.20-19,847,452.80-9,872,403.20

Finding the Fourth Proportional to 13,231,635.20, 19,847,452.80 and 9,872,403.20

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Solution

The fourth proportional to 13,231,635.20, 19,847,452.80 and 9,872,403.20 is: 14,808,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,635.20 : 19,847,452.80 = 9,872,403.20 : x
  2. Step 2: Convert to fraction form
    13,231,635.20/19,847,452.80 = 9,872,403.20/x
  3. Step 3: Cross multiply
    13,231,635.20x = 19,847,452.80 × 9,872,403.20
  4. Step 4: Simplify right side
    13,231,635.20x = 195,942,056,534,568.94
  5. Step 5: Solve for x
    x = 195,942,056,534,568.94/13,231,635.20
  6. Step 6: Final answer
    x = 14,808,604.80

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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.