Home / 6,884,313.80-10,307,808.30-5,391,321.80

Finding the Fourth Proportional to 6,884,313.80, 10,307,808.30 and 5,391,321.80

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Solution

The fourth proportional to 6,884,313.80, 10,307,808.30 and 5,391,321.80 is: 8,072,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884,313.80 : 10,307,808.30 = 5,391,321.80 : x
  2. Step 2: Convert to fraction form
    6,884,313.80/10,307,808.30 = 5,391,321.80/x
  3. Step 3: Cross multiply
    6,884,313.80x = 10,307,808.30 × 5,391,321.80
  4. Step 4: Simplify right side
    6,884,313.80x = 55,572,711,598,010.95
  5. Step 5: Solve for x
    x = 55,572,711,598,010.95/6,884,313.80
  6. Step 6: Final answer
    x = 8,072,367.59

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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.