Home / 40,461,618.24-55,836,920.25-21,876,628.32

Finding the Fourth Proportional to 40,461,618.24, 55,836,920.25 and 21,876,628.32

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Solution

The fourth proportional to 40,461,618.24, 55,836,920.25 and 21,876,628.32 is: 30,189,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461,618.24 : 55,836,920.25 = 21,876,628.32 : x
  2. Step 2: Convert to fraction form
    40,461,618.24/55,836,920.25 = 21,876,628.32/x
  3. Step 3: Cross multiply
    40,461,618.24x = 55,836,920.25 × 21,876,628.32
  4. Step 4: Simplify right side
    40,461,618.24x = 1,221,523,550,842,731.50
  5. Step 5: Solve for x
    x = 1,221,523,550,842,731.50/40,461,618.24
  6. Step 6: Final answer
    x = 30,189,686.03

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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.