Home / 14,821,104.80-20,455,272.62-8,540,410.16

Finding the Fourth Proportional to 14,821,104.80, 20,455,272.62 and 8,540,410.16

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Solution

The fourth proportional to 14,821,104.80, 20,455,272.62 and 8,540,410.16 is: 11,787,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,104.80 : 20,455,272.62 = 8,540,410.16 : x
  2. Step 2: Convert to fraction form
    14,821,104.80/20,455,272.62 = 8,540,410.16/x
  3. Step 3: Cross multiply
    14,821,104.80x = 20,455,272.62 × 8,540,410.16
  4. Step 4: Simplify right side
    14,821,104.80x = 174,696,418,109,417.84
  5. Step 5: Solve for x
    x = 174,696,418,109,417.84/14,821,104.80
  6. Step 6: Final answer
    x = 11,787,003.77

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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.