Home / 15,197,673.22-20,972,797.90-8,322,155.28

Finding the Fourth Proportional to 15,197,673.22, 20,972,797.90 and 8,322,155.28

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Solution

The fourth proportional to 15,197,673.22, 20,972,797.90 and 8,322,155.28 is: 11,484,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,673.22 : 20,972,797.90 = 8,322,155.28 : x
  2. Step 2: Convert to fraction form
    15,197,673.22/20,972,797.90 = 8,322,155.28/x
  3. Step 3: Cross multiply
    15,197,673.22x = 20,972,797.90 × 8,322,155.28
  4. Step 4: Simplify right side
    15,197,673.22x = 174,538,880,759,052.53
  5. Step 5: Solve for x
    x = 174,538,880,759,052.53/15,197,673.22
  6. Step 6: Final answer
    x = 11,484,579.14

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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.