Home / 13,251,164.80-19,866,249.60-7,267,532.80

Finding the Fourth Proportional to 13,251,164.80, 19,866,249.60 and 7,267,532.80

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Solution

The fourth proportional to 13,251,164.80, 19,866,249.60 and 7,267,532.80 is: 10,895,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,164.80 : 19,866,249.60 = 7,267,532.80 : x
  2. Step 2: Convert to fraction form
    13,251,164.80/19,866,249.60 = 7,267,532.80/x
  3. Step 3: Cross multiply
    13,251,164.80x = 19,866,249.60 × 7,267,532.80
  4. Step 4: Simplify right side
    13,251,164.80x = 144,378,620,580,986.88
  5. Step 5: Solve for x
    x = 144,378,620,580,986.88/13,251,164.80
  6. Step 6: Final answer
    x = 10,895,541.85

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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.