Home / 20,362,562.20-28,100,890.14-11,070,757.48

Finding the Fourth Proportional to 20,362,562.20, 28,100,890.14 and 11,070,757.48

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Solution

The fourth proportional to 20,362,562.20, 28,100,890.14 and 11,070,757.48 is: 15,277,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,562.20 : 28,100,890.14 = 11,070,757.48 : x
  2. Step 2: Convert to fraction form
    20,362,562.20/28,100,890.14 = 11,070,757.48/x
  3. Step 3: Cross multiply
    20,362,562.20x = 28,100,890.14 × 11,070,757.48
  4. Step 4: Simplify right side
    20,362,562.20x = 311,098,139,571,558.81
  5. Step 5: Solve for x
    x = 311,098,139,571,558.81/20,362,562.20
  6. Step 6: Final answer
    x = 15,277,946.68

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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.