Home / 6,692,812.38-9,236,868.41-3,976,558.38

Finding the Fourth Proportional to 6,692,812.38, 9,236,868.41 and 3,976,558.38

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Solution

The fourth proportional to 6,692,812.38, 9,236,868.41 and 3,976,558.38 is: 5,488,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692,812.38 : 9,236,868.41 = 3,976,558.38 : x
  2. Step 2: Convert to fraction form
    6,692,812.38/9,236,868.41 = 3,976,558.38/x
  3. Step 3: Cross multiply
    6,692,812.38x = 9,236,868.41 × 3,976,558.38
  4. Step 4: Simplify right side
    6,692,812.38x = 36,730,946,480,742.77
  5. Step 5: Solve for x
    x = 36,730,946,480,742.77/6,692,812.38
  6. Step 6: Final answer
    x = 5,488,118.36

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Double scale
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1.5x scale

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.