Home / 13,512,899.24-20,301,685.04-8,664,704.45

Finding the Fourth Proportional to 13,512,899.24, 20,301,685.04 and 8,664,704.45

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Solution

The fourth proportional to 13,512,899.24, 20,301,685.04 and 8,664,704.45 is: 13,017,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,899.24 : 20,301,685.04 = 8,664,704.45 : x
  2. Step 2: Convert to fraction form
    13,512,899.24/20,301,685.04 = 8,664,704.45/x
  3. Step 3: Cross multiply
    13,512,899.24x = 20,301,685.04 × 8,664,704.45
  4. Step 4: Simplify right side
    13,512,899.24x = 175,908,100,665,262.91
  5. Step 5: Solve for x
    x = 175,908,100,665,262.91/13,512,899.24
  6. Step 6: Final answer
    x = 13,017,791.19

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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.