Home / 12,123,761.70-18,188,266.95-3,604,959.30

Finding the Fourth Proportional to 12,123,761.70, 18,188,266.95 and 3,604,959.30

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Solution

The fourth proportional to 12,123,761.70, 18,188,266.95 and 3,604,959.30 is: 5,408,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,761.70 : 18,188,266.95 = 3,604,959.30 : x
  2. Step 2: Convert to fraction form
    12,123,761.70/18,188,266.95 = 3,604,959.30/x
  3. Step 3: Cross multiply
    12,123,761.70x = 18,188,266.95 × 3,604,959.30
  4. Step 4: Simplify right side
    12,123,761.70x = 65,567,962,092,285.13
  5. Step 5: Solve for x
    x = 65,567,962,092,285.13/12,123,761.70
  6. Step 6: Final answer
    x = 5,408,219.31

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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.