Home / 7,874,998.20-11,812,497.30-5,961,810.60

Finding the Fourth Proportional to 7,874,998.20, 11,812,497.30 and 5,961,810.60

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Solution

The fourth proportional to 7,874,998.20, 11,812,497.30 and 5,961,810.60 is: 8,942,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,998.20 : 11,812,497.30 = 5,961,810.60 : x
  2. Step 2: Convert to fraction form
    7,874,998.20/11,812,497.30 = 5,961,810.60/x
  3. Step 3: Cross multiply
    7,874,998.20x = 11,812,497.30 × 5,961,810.60
  4. Step 4: Simplify right side
    7,874,998.20x = 70,423,871,615,611.38
  5. Step 5: Solve for x
    x = 70,423,871,615,611.38/7,874,998.20
  6. Step 6: Final answer
    x = 8,942,715.90

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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.