Home / 20,091,660.64-30,136,817.04-8,732,108.32

Finding the Fourth Proportional to 20,091,660.64, 30,136,817.04 and 8,732,108.32

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Solution

The fourth proportional to 20,091,660.64, 30,136,817.04 and 8,732,108.32 is: 13,097,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091,660.64 : 30,136,817.04 = 8,732,108.32 : x
  2. Step 2: Convert to fraction form
    20,091,660.64/30,136,817.04 = 8,732,108.32/x
  3. Step 3: Cross multiply
    20,091,660.64x = 30,136,817.04 × 8,732,108.32
  4. Step 4: Simplify right side
    20,091,660.64x = 263,157,950,813,301.78
  5. Step 5: Solve for x
    x = 263,157,950,813,301.78/20,091,660.64
  6. Step 6: Final answer
    x = 13,097,869.59

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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.