Home / 8,428,622.80-11,631,499.44-4,561,143.96

Finding the Fourth Proportional to 8,428,622.80, 11,631,499.44 and 4,561,143.96

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Solution

The fourth proportional to 8,428,622.80, 11,631,499.44 and 4,561,143.96 is: 6,294,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,622.80 : 11,631,499.44 = 4,561,143.96 : x
  2. Step 2: Convert to fraction form
    8,428,622.80/11,631,499.44 = 4,561,143.96/x
  3. Step 3: Cross multiply
    8,428,622.80x = 11,631,499.44 × 4,561,143.96
  4. Step 4: Simplify right side
    8,428,622.80x = 53,052,943,416,499.38
  5. Step 5: Solve for x
    x = 53,052,943,416,499.38/8,428,622.80
  6. Step 6: Final answer
    x = 6,294,378.65

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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.