Home / 8,285,098.75-12,428,090.99-2,605,765.93

Finding the Fourth Proportional to 8,285,098.75, 12,428,090.99 and 2,605,765.93

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Solution

The fourth proportional to 8,285,098.75, 12,428,090.99 and 2,605,765.93 is: 3,908,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,098.75 : 12,428,090.99 = 2,605,765.93 : x
  2. Step 2: Convert to fraction form
    8,285,098.75/12,428,090.99 = 2,605,765.93/x
  3. Step 3: Cross multiply
    8,285,098.75x = 12,428,090.99 × 2,605,765.93
  4. Step 4: Simplify right side
    8,285,098.75x = 32,384,696,083,196.39
  5. Step 5: Solve for x
    x = 32,384,696,083,196.39/8,285,098.75
  6. Step 6: Final answer
    x = 3,908,788.18

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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.