Home / 10,109,904.30-15,164,856.45-5,622,180.30

Finding the Fourth Proportional to 10,109,904.30, 15,164,856.45 and 5,622,180.30

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Solution

The fourth proportional to 10,109,904.30, 15,164,856.45 and 5,622,180.30 is: 8,433,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,904.30 : 15,164,856.45 = 5,622,180.30 : x
  2. Step 2: Convert to fraction form
    10,109,904.30/15,164,856.45 = 5,622,180.30/x
  3. Step 3: Cross multiply
    10,109,904.30x = 15,164,856.45 × 5,622,180.30
  4. Step 4: Simplify right side
    10,109,904.30x = 85,259,557,185,517.92
  5. Step 5: Solve for x
    x = 85,259,557,185,517.92/10,109,904.30
  6. Step 6: Final answer
    x = 8,433,270.45

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Double scale
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Similar ratio
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1.5x scale

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.