Home / 10,012,895.21-13,818,067.10-5,662,632.05

Finding the Fourth Proportional to 10,012,895.21, 13,818,067.10 and 5,662,632.05

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Solution

The fourth proportional to 10,012,895.21, 13,818,067.10 and 5,662,632.05 is: 7,814,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,895.21 : 13,818,067.10 = 5,662,632.05 : x
  2. Step 2: Convert to fraction form
    10,012,895.21/13,818,067.10 = 5,662,632.05/x
  3. Step 3: Cross multiply
    10,012,895.21x = 13,818,067.10 × 5,662,632.05
  4. Step 4: Simplify right side
    10,012,895.21x = 78,246,629,601,197.39
  5. Step 5: Solve for x
    x = 78,246,629,601,197.39/10,012,895.21
  6. Step 6: Final answer
    x = 7,814,585.89

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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.