Home / 20,996,926.52-28,975,758.36-11,339,134.52

Finding the Fourth Proportional to 20,996,926.52, 28,975,758.36 and 11,339,134.52

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Solution

The fourth proportional to 20,996,926.52, 28,975,758.36 and 11,339,134.52 is: 15,648,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,926.52 : 28,975,758.36 = 11,339,134.52 : x
  2. Step 2: Convert to fraction form
    20,996,926.52/28,975,758.36 = 11,339,134.52/x
  3. Step 3: Cross multiply
    20,996,926.52x = 28,975,758.36 × 11,339,134.52
  4. Step 4: Simplify right side
    20,996,926.52x = 328,560,021,863,054.56
  5. Step 5: Solve for x
    x = 328,560,021,863,054.56/20,996,926.52
  6. Step 6: Final answer
    x = 15,648,005.51

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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.