Home / 6,912,546.40-10,368,819.60-5,484,872.80

Finding the Fourth Proportional to 6,912,546.40, 10,368,819.60 and 5,484,872.80

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Solution

The fourth proportional to 6,912,546.40, 10,368,819.60 and 5,484,872.80 is: 8,227,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,546.40 : 10,368,819.60 = 5,484,872.80 : x
  2. Step 2: Convert to fraction form
    6,912,546.40/10,368,819.60 = 5,484,872.80/x
  3. Step 3: Cross multiply
    6,912,546.40x = 10,368,819.60 × 5,484,872.80
  4. Step 4: Simplify right side
    6,912,546.40x = 56,871,656,592,146.88
  5. Step 5: Solve for x
    x = 56,871,656,592,146.88/6,912,546.40
  6. Step 6: Final answer
    x = 8,227,309.20

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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.