Home / 18,707,231.16-28,075,960.26-7,932,098.13

Finding the Fourth Proportional to 18,707,231.16, 28,075,960.26 and 7,932,098.13

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Solution

The fourth proportional to 18,707,231.16, 28,075,960.26 and 7,932,098.13 is: 11,904,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,231.16 : 28,075,960.26 = 7,932,098.13 : x
  2. Step 2: Convert to fraction form
    18,707,231.16/28,075,960.26 = 7,932,098.13/x
  3. Step 3: Cross multiply
    18,707,231.16x = 28,075,960.26 × 7,932,098.13
  4. Step 4: Simplify right side
    18,707,231.16x = 222,701,271,876,300.31
  5. Step 5: Solve for x
    x = 222,701,271,876,300.31/18,707,231.16
  6. Step 6: Final answer
    x = 11,904,555.52

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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.