Home / 13,529,665.70-20,292,338.23-3,942,801.76

Finding the Fourth Proportional to 13,529,665.70, 20,292,338.23 and 3,942,801.76

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Solution

The fourth proportional to 13,529,665.70, 20,292,338.23 and 3,942,801.76 is: 5,913,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,665.70 : 20,292,338.23 = 3,942,801.76 : x
  2. Step 2: Convert to fraction form
    13,529,665.70/20,292,338.23 = 3,942,801.76/x
  3. Step 3: Cross multiply
    13,529,665.70x = 20,292,338.23 × 3,942,801.76
  4. Step 4: Simplify right side
    13,529,665.70x = 80,008,666,887,759.28
  5. Step 5: Solve for x
    x = 80,008,666,887,759.28/13,529,665.70
  6. Step 6: Final answer
    x = 5,913,573.08

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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.