Home / 8,788,165.60-13,177,442.88-6,978,157.44

Finding the Fourth Proportional to 8,788,165.60, 13,177,442.88 and 6,978,157.44

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Solution

The fourth proportional to 8,788,165.60, 13,177,442.88 and 6,978,157.44 is: 10,463,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,165.60 : 13,177,442.88 = 6,978,157.44 : x
  2. Step 2: Convert to fraction form
    8,788,165.60/13,177,442.88 = 6,978,157.44/x
  3. Step 3: Cross multiply
    8,788,165.60x = 13,177,442.88 × 6,978,157.44
  4. Step 4: Simplify right side
    8,788,165.60x = 91,954,271,073,247.03
  5. Step 5: Solve for x
    x = 91,954,271,073,247.03/8,788,165.60
  6. Step 6: Final answer
    x = 10,463,420.38

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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.