Home / 33,009,131.80-49,401,723.30-28,978,053.40

Finding the Fourth Proportional to 33,009,131.80, 49,401,723.30 and 28,978,053.40

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Solution

The fourth proportional to 33,009,131.80, 49,401,723.30 and 28,978,053.40 is: 43,368,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009,131.80 : 49,401,723.30 = 28,978,053.40 : x
  2. Step 2: Convert to fraction form
    33,009,131.80/49,401,723.30 = 28,978,053.40/x
  3. Step 3: Cross multiply
    33,009,131.80x = 49,401,723.30 × 28,978,053.40
  4. Step 4: Simplify right side
    33,009,131.80x = 1,431,565,775,839,424
  5. Step 5: Solve for x
    x = 1,431,565,775,839,424/33,009,131.80
  6. Step 6: Final answer
    x = 43,368,780.02

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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.