Home / 40,109,860.20-55,351,309.86-21,774,674.28

Finding the Fourth Proportional to 40,109,860.20, 55,351,309.86 and 21,774,674.28

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Solution

The fourth proportional to 40,109,860.20, 55,351,309.86 and 21,774,674.28 is: 30,048,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109,860.20 : 55,351,309.86 = 21,774,674.28 : x
  2. Step 2: Convert to fraction form
    40,109,860.20/55,351,309.86 = 21,774,674.28/x
  3. Step 3: Cross multiply
    40,109,860.20x = 55,351,309.86 × 21,774,674.28
  4. Step 4: Simplify right side
    40,109,860.20x = 1,205,256,743,172,852.50
  5. Step 5: Solve for x
    x = 1,205,256,743,172,852.50/40,109,860.20
  6. Step 6: Final answer
    x = 30,048,889.16

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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.