Home / 7,114,769.40-9,818,379.60-3,851,581.68

Finding the Fourth Proportional to 7,114,769.40, 9,818,379.60 and 3,851,581.68

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Solution

The fourth proportional to 7,114,769.40, 9,818,379.60 and 3,851,581.68 is: 5,315,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,769.40 : 9,818,379.60 = 3,851,581.68 : x
  2. Step 2: Convert to fraction form
    7,114,769.40/9,818,379.60 = 3,851,581.68/x
  3. Step 3: Cross multiply
    7,114,769.40x = 9,818,379.60 × 3,851,581.68
  4. Step 4: Simplify right side
    7,114,769.40x = 37,816,290,994,645.73
  5. Step 5: Solve for x
    x = 37,816,290,994,645.73/7,114,769.40
  6. Step 6: Final answer
    x = 5,315,181.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.