Home / 20,996,799.84-28,975,583.61-11,339,007.84

Finding the Fourth Proportional to 20,996,799.84, 28,975,583.61 and 11,339,007.84

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Solution

The fourth proportional to 20,996,799.84, 28,975,583.61 and 11,339,007.84 is: 15,647,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,799.84 : 28,975,583.61 = 11,339,007.84 : x
  2. Step 2: Convert to fraction form
    20,996,799.84/28,975,583.61 = 11,339,007.84/x
  3. Step 3: Cross multiply
    20,996,799.84x = 28,975,583.61 × 11,339,007.84
  4. Step 4: Simplify right side
    20,996,799.84x = 328,554,369,722,365.50
  5. Step 5: Solve for x
    x = 328,554,369,722,365.50/20,996,799.84
  6. Step 6: Final answer
    x = 15,647,830.73

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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.