Home / 22,179,987.27-30,607,289.37-12,388,482.09

Finding the Fourth Proportional to 22,179,987.27, 30,607,289.37 and 12,388,482.09

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Solution

The fourth proportional to 22,179,987.27, 30,607,289.37 and 12,388,482.09 is: 17,095,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179,987.27 : 30,607,289.37 = 12,388,482.09 : x
  2. Step 2: Convert to fraction form
    22,179,987.27/30,607,289.37 = 12,388,482.09/x
  3. Step 3: Cross multiply
    22,179,987.27x = 30,607,289.37 × 12,388,482.09
  4. Step 4: Simplify right side
    22,179,987.27x = 379,177,856,183,692.38
  5. Step 5: Solve for x
    x = 379,177,856,183,692.38/22,179,987.27
  6. Step 6: Final answer
    x = 17,095,494.76

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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.