Home / 19,431,458.55-29,133,901.80-9,201,219.30

Finding the Fourth Proportional to 19,431,458.55, 29,133,901.80 and 9,201,219.30

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Solution

The fourth proportional to 19,431,458.55, 29,133,901.80 and 9,201,219.30 is: 13,795,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,458.55 : 29,133,901.80 = 9,201,219.30 : x
  2. Step 2: Convert to fraction form
    19,431,458.55/29,133,901.80 = 9,201,219.30/x
  3. Step 3: Cross multiply
    19,431,458.55x = 29,133,901.80 × 9,201,219.30
  4. Step 4: Simplify right side
    19,431,458.55x = 268,067,419,526,464.78
  5. Step 5: Solve for x
    x = 268,067,419,526,464.78/19,431,458.55
  6. Step 6: Final answer
    x = 13,795,537.73

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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.