Home / 26,389,620.80-39,584,431.20-12,952,692.80

Finding the Fourth Proportional to 26,389,620.80, 39,584,431.20 and 12,952,692.80

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Solution

The fourth proportional to 26,389,620.80, 39,584,431.20 and 12,952,692.80 is: 19,429,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389,620.80 : 39,584,431.20 = 12,952,692.80 : x
  2. Step 2: Convert to fraction form
    26,389,620.80/39,584,431.20 = 12,952,692.80/x
  3. Step 3: Cross multiply
    26,389,620.80x = 39,584,431.20 × 12,952,692.80
  4. Step 4: Simplify right side
    26,389,620.80x = 512,724,976,996,335.44
  5. Step 5: Solve for x
    x = 512,724,976,996,335.44/26,389,620.80
  6. Step 6: Final answer
    x = 19,429,039.20

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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.