Home / 6,921,391.24-9,551,230.80-3,980,984.72

Finding the Fourth Proportional to 6,921,391.24, 9,551,230.80 and 3,980,984.72

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Solution

The fourth proportional to 6,921,391.24, 9,551,230.80 and 3,980,984.72 is: 5,493,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,391.24 : 9,551,230.80 = 3,980,984.72 : x
  2. Step 2: Convert to fraction form
    6,921,391.24/9,551,230.80 = 3,980,984.72/x
  3. Step 3: Cross multiply
    6,921,391.24x = 9,551,230.80 × 3,980,984.72
  4. Step 4: Simplify right side
    6,921,391.24x = 38,023,303,871,993.38
  5. Step 5: Solve for x
    x = 38,023,303,871,993.38/6,921,391.24
  6. Step 6: Final answer
    x = 5,493,592.63

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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.