Home / 26,827,719.40-40,238,468.70-7,661,434.60

Finding the Fourth Proportional to 26,827,719.40, 40,238,468.70 and 7,661,434.60

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Solution

The fourth proportional to 26,827,719.40, 40,238,468.70 and 7,661,434.60 is: 11,491,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827,719.40 : 40,238,468.70 = 7,661,434.60 : x
  2. Step 2: Convert to fraction form
    26,827,719.40/40,238,468.70 = 7,661,434.60/x
  3. Step 3: Cross multiply
    26,827,719.40x = 40,238,468.70 × 7,661,434.60
  4. Step 4: Simplify right side
    26,827,719.40x = 308,284,396,349,197
  5. Step 5: Solve for x
    x = 308,284,396,349,197/26,827,719.40
  6. Step 6: Final answer
    x = 11,491,263.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.