Home / 40,461,651.24-55,836,965.79-21,876,661.32

Finding the Fourth Proportional to 40,461,651.24, 55,836,965.79 and 21,876,661.32

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Solution

The fourth proportional to 40,461,651.24, 55,836,965.79 and 21,876,661.32 is: 30,189,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461,651.24 : 55,836,965.79 = 21,876,661.32 : x
  2. Step 2: Convert to fraction form
    40,461,651.24/55,836,965.79 = 21,876,661.32/x
  3. Step 3: Cross multiply
    40,461,651.24x = 55,836,965.79 × 21,876,661.32
  4. Step 4: Simplify right side
    40,461,651.24x = 1,221,526,389,724,256.25
  5. Step 5: Solve for x
    x = 1,221,526,389,724,256.25/40,461,651.24
  6. Step 6: Final answer
    x = 30,189,731.57

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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.