Home / 20,832,559.20-31,269,007.80-10,057,420.80

Finding the Fourth Proportional to 20,832,559.20, 31,269,007.80 and 10,057,420.80

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Solution

The fourth proportional to 20,832,559.20, 31,269,007.80 and 10,057,420.80 is: 15,095,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,559.20 : 31,269,007.80 = 10,057,420.80 : x
  2. Step 2: Convert to fraction form
    20,832,559.20/31,269,007.80 = 10,057,420.80/x
  3. Step 3: Cross multiply
    20,832,559.20x = 31,269,007.80 × 10,057,420.80
  4. Step 4: Simplify right side
    20,832,559.20x = 314,485,569,443,082.25
  5. Step 5: Solve for x
    x = 314,485,569,443,082.25/20,832,559.20
  6. Step 6: Final answer
    x = 15,095,868.27

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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.