Home / 8,693,904.70-13,040,857.05-5,460,643.90

Finding the Fourth Proportional to 8,693,904.70, 13,040,857.05 and 5,460,643.90

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Solution

The fourth proportional to 8,693,904.70, 13,040,857.05 and 5,460,643.90 is: 8,190,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,904.70 : 13,040,857.05 = 5,460,643.90 : x
  2. Step 2: Convert to fraction form
    8,693,904.70/13,040,857.05 = 5,460,643.90/x
  3. Step 3: Cross multiply
    8,693,904.70x = 13,040,857.05 × 5,460,643.90
  4. Step 4: Simplify right side
    8,693,904.70x = 71,211,476,500,854.50
  5. Step 5: Solve for x
    x = 71,211,476,500,854.50/8,693,904.70
  6. Step 6: Final answer
    x = 8,190,965.85

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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.