Home / 8,428,456.76-11,631,300.96-4,560,977.48

Finding the Fourth Proportional to 8,428,456.76, 11,631,300.96 and 4,560,977.48

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Solution

The fourth proportional to 8,428,456.76, 11,631,300.96 and 4,560,977.48 is: 6,294,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,456.76 : 11,631,300.96 = 4,560,977.48 : x
  2. Step 2: Convert to fraction form
    8,428,456.76/11,631,300.96 = 4,560,977.48/x
  3. Step 3: Cross multiply
    8,428,456.76x = 11,631,300.96 × 4,560,977.48
  4. Step 4: Simplify right side
    8,428,456.76x = 53,050,101,741,662.39
  5. Step 5: Solve for x
    x = 53,050,101,741,662.39/8,428,456.76
  6. Step 6: Final answer
    x = 6,294,165.50

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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.