Home / 28,554,949.53-39,406,288.23-15,502,198.05

Finding the Fourth Proportional to 28,554,949.53, 39,406,288.23 and 15,502,198.05

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Solution

The fourth proportional to 28,554,949.53, 39,406,288.23 and 15,502,198.05 is: 21,393,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,949.53 : 39,406,288.23 = 15,502,198.05 : x
  2. Step 2: Convert to fraction form
    28,554,949.53/39,406,288.23 = 15,502,198.05/x
  3. Step 3: Cross multiply
    28,554,949.53x = 39,406,288.23 × 15,502,198.05
  4. Step 4: Simplify right side
    28,554,949.53x = 610,884,084,556,843.88
  5. Step 5: Solve for x
    x = 610,884,084,556,843.88/28,554,949.53
  6. Step 6: Final answer
    x = 21,393,281.89

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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.