Home / 18,793,834.40-28,187,986.80-5,332,023.20

Finding the Fourth Proportional to 18,793,834.40, 28,187,986.80 and 5,332,023.20

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Solution

The fourth proportional to 18,793,834.40, 28,187,986.80 and 5,332,023.20 is: 7,997,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793,834.40 : 28,187,986.80 = 5,332,023.20 : x
  2. Step 2: Convert to fraction form
    18,793,834.40/28,187,986.80 = 5,332,023.20/x
  3. Step 3: Cross multiply
    18,793,834.40x = 28,187,986.80 × 5,332,023.20
  4. Step 4: Simplify right side
    18,793,834.40x = 150,298,999,578,893.78
  5. Step 5: Solve for x
    x = 150,298,999,578,893.78/18,793,834.40
  6. Step 6: Final answer
    x = 7,997,250.39

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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.