Home / 20,246,692.70-30,372,703.05-7,476,167.90

Finding the Fourth Proportional to 20,246,692.70, 30,372,703.05 and 7,476,167.90

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Solution

The fourth proportional to 20,246,692.70, 30,372,703.05 and 7,476,167.90 is: 11,215,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246,692.70 : 30,372,703.05 = 7,476,167.90 : x
  2. Step 2: Convert to fraction form
    20,246,692.70/30,372,703.05 = 7,476,167.90/x
  3. Step 3: Cross multiply
    20,246,692.70x = 30,372,703.05 × 7,476,167.90
  4. Step 4: Simplify right side
    20,246,692.70x = 227,071,427,578,642.12
  5. Step 5: Solve for x
    x = 227,071,427,578,642.12/20,246,692.70
  6. Step 6: Final answer
    x = 11,215,235.54

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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.