Home / 26,420,809.70-39,631,214.55-19,217,123.30

Finding the Fourth Proportional to 26,420,809.70, 39,631,214.55 and 19,217,123.30

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Solution

The fourth proportional to 26,420,809.70, 39,631,214.55 and 19,217,123.30 is: 28,825,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,809.70 : 39,631,214.55 = 19,217,123.30 : x
  2. Step 2: Convert to fraction form
    26,420,809.70/39,631,214.55 = 19,217,123.30/x
  3. Step 3: Cross multiply
    26,420,809.70x = 39,631,214.55 × 19,217,123.30
  4. Step 4: Simplify right side
    26,420,809.70x = 761,597,936,536,104
  5. Step 5: Solve for x
    x = 761,597,936,536,104/26,420,809.70
  6. Step 6: Final answer
    x = 28,825,684.95

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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.