Home / 8,961,949.60-13,442,924.40-2,978,317.60

Finding the Fourth Proportional to 8,961,949.60, 13,442,924.40 and 2,978,317.60

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Solution

The fourth proportional to 8,961,949.60, 13,442,924.40 and 2,978,317.60 is: 4,467,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961,949.60 : 13,442,924.40 = 2,978,317.60 : x
  2. Step 2: Convert to fraction form
    8,961,949.60/13,442,924.40 = 2,978,317.60/x
  3. Step 3: Cross multiply
    8,961,949.60x = 13,442,924.40 × 2,978,317.60
  4. Step 4: Simplify right side
    8,961,949.60x = 40,037,298,335,989.45
  5. Step 5: Solve for x
    x = 40,037,298,335,989.45/8,961,949.60
  6. Step 6: Final answer
    x = 4,467,476.40

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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.