Home / 12,906,733.44-17,811,197.28-7,105,617.12

Finding the Fourth Proportional to 12,906,733.44, 17,811,197.28 and 7,105,617.12

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Solution

The fourth proportional to 12,906,733.44, 17,811,197.28 and 7,105,617.12 is: 9,805,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,733.44 : 17,811,197.28 = 7,105,617.12 : x
  2. Step 2: Convert to fraction form
    12,906,733.44/17,811,197.28 = 7,105,617.12/x
  3. Step 3: Cross multiply
    12,906,733.44x = 17,811,197.28 × 7,105,617.12
  4. Step 4: Simplify right side
    12,906,733.44x = 126,559,548,320,465.44
  5. Step 5: Solve for x
    x = 126,559,548,320,465.44/12,906,733.44
  6. Step 6: Final answer
    x = 9,805,699.40

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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.