Home / 20,362,562.70-28,100,890.83-11,070,757.98

Finding the Fourth Proportional to 20,362,562.70, 28,100,890.83 and 11,070,757.98

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Solution

The fourth proportional to 20,362,562.70, 28,100,890.83 and 11,070,757.98 is: 15,277,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,562.70 : 28,100,890.83 = 11,070,757.98 : x
  2. Step 2: Convert to fraction form
    20,362,562.70/28,100,890.83 = 11,070,757.98/x
  3. Step 3: Cross multiply
    20,362,562.70x = 28,100,890.83 × 11,070,757.98
  4. Step 4: Simplify right side
    20,362,562.70x = 311,098,161,401,331.31
  5. Step 5: Solve for x
    x = 311,098,161,401,331.31/20,362,562.70
  6. Step 6: Final answer
    x = 15,277,947.38

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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.