Home / 20,716,806.80-31,072,488.60-6,341,315.60

Finding the Fourth Proportional to 20,716,806.80, 31,072,488.60 and 6,341,315.60

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Solution

The fourth proportional to 20,716,806.80, 31,072,488.60 and 6,341,315.60 is: 9,511,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,806.80 : 31,072,488.60 = 6,341,315.60 : x
  2. Step 2: Convert to fraction form
    20,716,806.80/31,072,488.60 = 6,341,315.60/x
  3. Step 3: Cross multiply
    20,716,806.80x = 31,072,488.60 × 6,341,315.60
  4. Step 4: Simplify right side
    20,716,806.80x = 197,040,456,690,002.16
  5. Step 5: Solve for x
    x = 197,040,456,690,002.16/20,716,806.80
  6. Step 6: Final answer
    x = 9,511,140.33

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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.