Home / 18,388,692.60-25,376,395.68-10,658,218.92

Finding the Fourth Proportional to 18,388,692.60, 25,376,395.68 and 10,658,218.92

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Solution

The fourth proportional to 18,388,692.60, 25,376,395.68 and 10,658,218.92 is: 14,708,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,692.60 : 25,376,395.68 = 10,658,218.92 : x
  2. Step 2: Convert to fraction form
    18,388,692.60/25,376,395.68 = 10,658,218.92/x
  3. Step 3: Cross multiply
    18,388,692.60x = 25,376,395.68 × 10,658,218.92
  4. Step 4: Simplify right side
    18,388,692.60x = 270,467,180,557,982.25
  5. Step 5: Solve for x
    x = 270,467,180,557,982.25/18,388,692.60
  6. Step 6: Final answer
    x = 14,708,342.05

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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.