Home / 13,278,464.80-19,917,697.20-13,152,493.60

Finding the Fourth Proportional to 13,278,464.80, 19,917,697.20 and 13,152,493.60

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Solution

The fourth proportional to 13,278,464.80, 19,917,697.20 and 13,152,493.60 is: 19,728,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,464.80 : 19,917,697.20 = 13,152,493.60 : x
  2. Step 2: Convert to fraction form
    13,278,464.80/19,917,697.20 = 13,152,493.60/x
  3. Step 3: Cross multiply
    13,278,464.80x = 19,917,697.20 × 13,152,493.60
  4. Step 4: Simplify right side
    13,278,464.80x = 261,967,384,949,737.91
  5. Step 5: Solve for x
    x = 261,967,384,949,737.91/13,278,464.80
  6. Step 6: Final answer
    x = 19,728,740.40

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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.