Home / 20,769,274.83-28,661,834.30-11,476,806.60

Finding the Fourth Proportional to 20,769,274.83, 28,661,834.30 and 11,476,806.60

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Solution

The fourth proportional to 20,769,274.83, 28,661,834.30 and 11,476,806.60 is: 15,838,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,274.83 : 28,661,834.30 = 11,476,806.60 : x
  2. Step 2: Convert to fraction form
    20,769,274.83/28,661,834.30 = 11,476,806.60/x
  3. Step 3: Cross multiply
    20,769,274.83x = 28,661,834.30 × 11,476,806.60
  4. Step 4: Simplify right side
    20,769,274.83x = 328,946,329,004,962.38
  5. Step 5: Solve for x
    x = 328,946,329,004,962.38/20,769,274.83
  6. Step 6: Final answer
    x = 15,838,122.98

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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.