Home / 12,555,692.32-17,332,120.56-8,486,822.56

Finding the Fourth Proportional to 12,555,692.32, 17,332,120.56 and 8,486,822.56

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Solution

The fourth proportional to 12,555,692.32, 17,332,120.56 and 8,486,822.56 is: 11,715,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,692.32 : 17,332,120.56 = 8,486,822.56 : x
  2. Step 2: Convert to fraction form
    12,555,692.32/17,332,120.56 = 8,486,822.56/x
  3. Step 3: Cross multiply
    12,555,692.32x = 17,332,120.56 × 8,486,822.56
  4. Step 4: Simplify right side
    12,555,692.32x = 147,094,631,781,247.84
  5. Step 5: Solve for x
    x = 147,094,631,781,247.84/12,555,692.32
  6. Step 6: Final answer
    x = 11,715,374.03

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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.