Home / 11,615,919.68-16,046,361.20-9,308,142.60

Finding the Fourth Proportional to 11,615,919.68, 16,046,361.20 and 9,308,142.60

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Solution

The fourth proportional to 11,615,919.68, 16,046,361.20 and 9,308,142.60 is: 12,858,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,919.68 : 16,046,361.20 = 9,308,142.60 : x
  2. Step 2: Convert to fraction form
    11,615,919.68/16,046,361.20 = 9,308,142.60/x
  3. Step 3: Cross multiply
    11,615,919.68x = 16,046,361.20 × 9,308,142.60
  4. Step 4: Simplify right side
    11,615,919.68x = 149,361,818,260,707.09
  5. Step 5: Solve for x
    x = 149,361,818,260,707.09/11,615,919.68
  6. Step 6: Final answer
    x = 12,858,372.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.