Home / 42,203,011.88-63,303,336.83-13,450,872.80

Finding the Fourth Proportional to 42,203,011.88, 63,303,336.83 and 13,450,872.80

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Solution

The fourth proportional to 42,203,011.88, 63,303,336.83 and 13,450,872.80 is: 20,175,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,011.88 : 63,303,336.83 = 13,450,872.80 : x
  2. Step 2: Convert to fraction form
    42,203,011.88/63,303,336.83 = 13,450,872.80/x
  3. Step 3: Cross multiply
    42,203,011.88x = 63,303,336.83 × 13,450,872.80
  4. Step 4: Simplify right side
    42,203,011.88x = 851,485,131,132,114.25
  5. Step 5: Solve for x
    x = 851,485,131,132,114.25/42,203,011.88
  6. Step 6: Final answer
    x = 20,175,932.79

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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.