Home / 8,258,889.60-12,388,334.40-7,727,448.60

Finding the Fourth Proportional to 8,258,889.60, 12,388,334.40 and 7,727,448.60

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Solution

The fourth proportional to 8,258,889.60, 12,388,334.40 and 7,727,448.60 is: 11,591,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,889.60 : 12,388,334.40 = 7,727,448.60 : x
  2. Step 2: Convert to fraction form
    8,258,889.60/12,388,334.40 = 7,727,448.60/x
  3. Step 3: Cross multiply
    8,258,889.60x = 12,388,334.40 × 7,727,448.60
  4. Step 4: Simplify right side
    8,258,889.60x = 95,730,217,315,611.84
  5. Step 5: Solve for x
    x = 95,730,217,315,611.84/8,258,889.60
  6. Step 6: Final answer
    x = 11,591,172.90

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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.