Home / 13,512,903.32-20,301,691.16-8,664,708.53

Finding the Fourth Proportional to 13,512,903.32, 20,301,691.16 and 8,664,708.53

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Solution

The fourth proportional to 13,512,903.32, 20,301,691.16 and 8,664,708.53 is: 13,017,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,903.32 : 20,301,691.16 = 8,664,708.53 : x
  2. Step 2: Convert to fraction form
    13,512,903.32/20,301,691.16 = 8,664,708.53/x
  3. Step 3: Cross multiply
    13,512,903.32x = 20,301,691.16 × 8,664,708.53
  4. Step 4: Simplify right side
    13,512,903.32x = 175,908,236,639,893.62
  5. Step 5: Solve for x
    x = 175,908,236,639,893.62/13,512,903.32
  6. Step 6: Final answer
    x = 13,017,797.32

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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.