Home / 18,622,645.70-25,684,692.03-12,098,377.27

Finding the Fourth Proportional to 18,622,645.70, 25,684,692.03 and 12,098,377.27

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Solution

The fourth proportional to 18,622,645.70, 25,684,692.03 and 12,098,377.27 is: 16,686,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,645.70 : 25,684,692.03 = 12,098,377.27 : x
  2. Step 2: Convert to fraction form
    18,622,645.70/25,684,692.03 = 12,098,377.27/x
  3. Step 3: Cross multiply
    18,622,645.70x = 25,684,692.03 × 12,098,377.27
  4. Step 4: Simplify right side
    18,622,645.70x = 310,743,094,274,808.06
  5. Step 5: Solve for x
    x = 310,743,094,274,808.06/18,622,645.70
  6. Step 6: Final answer
    x = 16,686,302.22

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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.