Home / 14,821,103.80-20,455,271.24-8,540,409.16

Finding the Fourth Proportional to 14,821,103.80, 20,455,271.24 and 8,540,409.16

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Solution

The fourth proportional to 14,821,103.80, 20,455,271.24 and 8,540,409.16 is: 11,787,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,103.80 : 20,455,271.24 = 8,540,409.16 : x
  2. Step 2: Convert to fraction form
    14,821,103.80/20,455,271.24 = 8,540,409.16/x
  3. Step 3: Cross multiply
    14,821,103.80x = 20,455,271.24 × 8,540,409.16
  4. Step 4: Simplify right side
    14,821,103.80x = 174,696,385,868,380.56
  5. Step 5: Solve for x
    x = 174,696,385,868,380.56/14,821,103.80
  6. Step 6: Final answer
    x = 11,787,002.39

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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.