Home / 20,801,803.07-31,206,960.34-7,153,176.85

Finding the Fourth Proportional to 20,801,803.07, 31,206,960.34 and 7,153,176.85

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Solution

The fourth proportional to 20,801,803.07, 31,206,960.34 and 7,153,176.85 is: 10,731,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,803.07 : 31,206,960.34 = 7,153,176.85 : x
  2. Step 2: Convert to fraction form
    20,801,803.07/31,206,960.34 = 7,153,176.85/x
  3. Step 3: Cross multiply
    20,801,803.07x = 31,206,960.34 × 7,153,176.85
  4. Step 4: Simplify right side
    20,801,803.07x = 223,228,906,124,804.28
  5. Step 5: Solve for x
    x = 223,228,906,124,804.28/20,801,803.07
  6. Step 6: Final answer
    x = 10,731,228.70

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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.