Home / 31,183,515.80-46,704,414.90-19,704,390.20

Finding the Fourth Proportional to 31,183,515.80, 46,704,414.90 and 19,704,390.20

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Solution

The fourth proportional to 31,183,515.80, 46,704,414.90 and 19,704,390.20 is: 29,511,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183,515.80 : 46,704,414.90 = 19,704,390.20 : x
  2. Step 2: Convert to fraction form
    31,183,515.80/46,704,414.90 = 19,704,390.20/x
  3. Step 3: Cross multiply
    31,183,515.80x = 46,704,414.90 × 19,704,390.20
  4. Step 4: Simplify right side
    31,183,515.80x = 920,282,015,252,293.88
  5. Step 5: Solve for x
    x = 920,282,015,252,293.88/31,183,515.80
  6. Step 6: Final answer
    x = 29,511,810.70

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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.