Home / 7,427,258.60-11,158,602.60-6,647,811.80

Finding the Fourth Proportional to 7,427,258.60, 11,158,602.60 and 6,647,811.80

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Solution

The fourth proportional to 7,427,258.60, 11,158,602.60 and 6,647,811.80 is: 9,987,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,258.60 : 11,158,602.60 = 6,647,811.80 : x
  2. Step 2: Convert to fraction form
    7,427,258.60/11,158,602.60 = 6,647,811.80/x
  3. Step 3: Cross multiply
    7,427,258.60x = 11,158,602.60 × 6,647,811.80
  4. Step 4: Simplify right side
    7,427,258.60x = 74,180,290,035,790.67
  5. Step 5: Solve for x
    x = 74,180,290,035,790.67/7,427,258.60
  6. Step 6: Final answer
    x = 9,987,573.35

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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.