Home / 18,388,699.92-25,376,405.73-10,658,226.24

Finding the Fourth Proportional to 18,388,699.92, 25,376,405.73 and 10,658,226.24

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Solution

The fourth proportional to 18,388,699.92, 25,376,405.73 and 10,658,226.24 is: 14,708,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,699.92 : 25,376,405.73 = 10,658,226.24 : x
  2. Step 2: Convert to fraction form
    18,388,699.92/25,376,405.73 = 10,658,226.24/x
  3. Step 3: Cross multiply
    18,388,699.92x = 25,376,405.73 × 10,658,226.24
  4. Step 4: Simplify right side
    18,388,699.92x = 270,467,473,428,372.38
  5. Step 5: Solve for x
    x = 270,467,473,428,372.38/18,388,699.92
  6. Step 6: Final answer
    x = 14,708,352.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.