Home / 30,993,979.20-46,490,968.80-27,645,900.90

Finding the Fourth Proportional to 30,993,979.20, 46,490,968.80 and 27,645,900.90

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Solution

The fourth proportional to 30,993,979.20, 46,490,968.80 and 27,645,900.90 is: 41,468,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993,979.20 : 46,490,968.80 = 27,645,900.90 : x
  2. Step 2: Convert to fraction form
    30,993,979.20/46,490,968.80 = 27,645,900.90/x
  3. Step 3: Cross multiply
    30,993,979.20x = 46,490,968.80 × 27,645,900.90
  4. Step 4: Simplify right side
    30,993,979.20x = 1,285,284,716,189,791.75
  5. Step 5: Solve for x
    x = 1,285,284,716,189,791.75/30,993,979.20
  6. Step 6: Final answer
    x = 41,468,851.35

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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.