Home / 13,755,725.80-20,633,588.70-7,378,433.80

Finding the Fourth Proportional to 13,755,725.80, 20,633,588.70 and 7,378,433.80

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Solution

The fourth proportional to 13,755,725.80, 20,633,588.70 and 7,378,433.80 is: 11,067,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,725.80 : 20,633,588.70 = 7,378,433.80 : x
  2. Step 2: Convert to fraction form
    13,755,725.80/20,633,588.70 = 7,378,433.80/x
  3. Step 3: Cross multiply
    13,755,725.80x = 20,633,588.70 × 7,378,433.80
  4. Step 4: Simplify right side
    13,755,725.80x = 152,243,568,279,378.06
  5. Step 5: Solve for x
    x = 152,243,568,279,378.06/13,755,725.80
  6. Step 6: Final answer
    x = 11,067,650.70

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1.5x scale

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.