Home / 20,788,046.50-31,181,544.87-5,641,584.34

Finding the Fourth Proportional to 20,788,046.50, 31,181,544.87 and 5,641,584.34

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Solution

The fourth proportional to 20,788,046.50, 31,181,544.87 and 5,641,584.34 is: 8,462,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788,046.50 : 31,181,544.87 = 5,641,584.34 : x
  2. Step 2: Convert to fraction form
    20,788,046.50/31,181,544.87 = 5,641,584.34/x
  3. Step 3: Cross multiply
    20,788,046.50x = 31,181,544.87 × 5,641,584.34
  4. Step 4: Simplify right side
    20,788,046.50x = 175,913,315,235,599.34
  5. Step 5: Solve for x
    x = 175,913,315,235,599.34/20,788,046.50
  6. Step 6: Final answer
    x = 8,462,234.06

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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.