Home / 18,707,235.27-28,075,966.46-7,932,102.24

Finding the Fourth Proportional to 18,707,235.27, 28,075,966.46 and 7,932,102.24

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Solution

The fourth proportional to 18,707,235.27, 28,075,966.46 and 7,932,102.24 is: 11,904,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,235.27 : 28,075,966.46 = 7,932,102.24 : x
  2. Step 2: Convert to fraction form
    18,707,235.27/28,075,966.46 = 7,932,102.24/x
  3. Step 3: Cross multiply
    18,707,235.27x = 28,075,966.46 × 7,932,102.24
  4. Step 4: Simplify right side
    18,707,235.27x = 222,701,436,447,530.88
  5. Step 5: Solve for x
    x = 222,701,436,447,530.88/18,707,235.27
  6. Step 6: Final answer
    x = 11,904,561.70

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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.