Home / 30,659,045.96-46,007,714.84-20,431,082.57

Finding the Fourth Proportional to 30,659,045.96, 46,007,714.84 and 20,431,082.57

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Solution

The fourth proportional to 30,659,045.96, 46,007,714.84 and 20,431,082.57 is: 30,659,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659,045.96 : 46,007,714.84 = 20,431,082.57 : x
  2. Step 2: Convert to fraction form
    30,659,045.96/46,007,714.84 = 20,431,082.57/x
  3. Step 3: Cross multiply
    30,659,045.96x = 46,007,714.84 × 20,431,082.57
  4. Step 4: Simplify right side
    30,659,045.96x = 939,987,420,420,860.38
  5. Step 5: Solve for x
    x = 939,987,420,420,860.38/30,659,045.96
  6. Step 6: Final answer
    x = 30,659,382.60

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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.