Home / 18,948,077.60-28,384,791.60-17,604,384.80

Finding the Fourth Proportional to 18,948,077.60, 28,384,791.60 and 17,604,384.80

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Solution

The fourth proportional to 18,948,077.60, 28,384,791.60 and 17,604,384.80 is: 26,371,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,077.60 : 28,384,791.60 = 17,604,384.80 : x
  2. Step 2: Convert to fraction form
    18,948,077.60/28,384,791.60 = 17,604,384.80/x
  3. Step 3: Cross multiply
    18,948,077.60x = 28,384,791.60 × 17,604,384.80
  4. Step 4: Simplify right side
    18,948,077.60x = 499,696,793,794,207.75
  5. Step 5: Solve for x
    x = 499,696,793,794,207.75/18,948,077.60
  6. Step 6: Final answer
    x = 26,371,899.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.