Home / 25,552,900.70-38,329,351.05-18,349,214.30

Finding the Fourth Proportional to 25,552,900.70, 38,329,351.05 and 18,349,214.30

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Solution

The fourth proportional to 25,552,900.70, 38,329,351.05 and 18,349,214.30 is: 27,523,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552,900.70 : 38,329,351.05 = 18,349,214.30 : x
  2. Step 2: Convert to fraction form
    25,552,900.70/38,329,351.05 = 18,349,214.30/x
  3. Step 3: Cross multiply
    25,552,900.70x = 38,329,351.05 × 18,349,214.30
  4. Step 4: Simplify right side
    25,552,900.70x = 703,313,476,396,380
  5. Step 5: Solve for x
    x = 703,313,476,396,380/25,552,900.70
  6. Step 6: Final answer
    x = 27,523,821.45

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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.