Home / 10,021,855.12-13,830,198.00-5,438,176.49

Finding the Fourth Proportional to 10,021,855.12, 13,830,198.00 and 5,438,176.49

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Solution

The fourth proportional to 10,021,855.12, 13,830,198.00 and 5,438,176.49 is: 7,504,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021,855.12 : 13,830,198.00 = 5,438,176.49 : x
  2. Step 2: Convert to fraction form
    10,021,855.12/13,830,198.00 = 5,438,176.49/x
  3. Step 3: Cross multiply
    10,021,855.12x = 13,830,198.00 × 5,438,176.49
  4. Step 4: Simplify right side
    10,021,855.12x = 75,211,057,660,710.55
  5. Step 5: Solve for x
    x = 75,211,057,660,710.55/10,021,855.12
  6. Step 6: Final answer
    x = 7,504,704.15

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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.