Home / 20,588,030.80-30,882,046.20-7,804,286.80

Finding the Fourth Proportional to 20,588,030.80, 30,882,046.20 and 7,804,286.80

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Solution

The fourth proportional to 20,588,030.80, 30,882,046.20 and 7,804,286.80 is: 11,706,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,030.80 : 30,882,046.20 = 7,804,286.80 : x
  2. Step 2: Convert to fraction form
    20,588,030.80/30,882,046.20 = 7,804,286.80/x
  3. Step 3: Cross multiply
    20,588,030.80x = 30,882,046.20 × 7,804,286.80
  4. Step 4: Simplify right side
    20,588,030.80x = 241,012,345,515,650.16
  5. Step 5: Solve for x
    x = 241,012,345,515,650.16/20,588,030.80
  6. Step 6: Final answer
    x = 11,706,430.20

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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.