Home / 19,131,622.80-28,677,657-8,888,125.20

Finding the Fourth Proportional to 19,131,622.80, 28,677,657 and 8,888,125.20

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Solution

The fourth proportional to 19,131,622.80, 28,677,657 and 8,888,125.20 is: 13,322,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,622.80 : 28,677,657 = 8,888,125.20 : x
  2. Step 2: Convert to fraction form
    19,131,622.80/28,677,657 = 8,888,125.20/x
  3. Step 3: Cross multiply
    19,131,622.80x = 28,677,657 × 8,888,125.20
  4. Step 4: Simplify right side
    19,131,622.80x = 254,890,605,858,656.38
  5. Step 5: Solve for x
    x = 254,890,605,858,656.38/19,131,622.80
  6. Step 6: Final answer
    x = 13,322,999.75

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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.