Home / 14,821,104.81-20,455,272.63-8,540,410.17

Finding the Fourth Proportional to 14,821,104.81, 20,455,272.63 and 8,540,410.17

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Solution

The fourth proportional to 14,821,104.81, 20,455,272.63 and 8,540,410.17 is: 11,787,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,104.81 : 20,455,272.63 = 8,540,410.17 : x
  2. Step 2: Convert to fraction form
    14,821,104.81/20,455,272.63 = 8,540,410.17/x
  3. Step 3: Cross multiply
    14,821,104.81x = 20,455,272.63 × 8,540,410.17
  4. Step 4: Simplify right side
    14,821,104.81x = 174,696,418,399,374.62
  5. Step 5: Solve for x
    x = 174,696,418,399,374.62/14,821,104.81
  6. Step 6: Final answer
    x = 11,787,003.78

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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.