Home / 21,505,221.60-32,257,832.40-17,474,143.20

Finding the Fourth Proportional to 21,505,221.60, 32,257,832.40 and 17,474,143.20

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Solution

The fourth proportional to 21,505,221.60, 32,257,832.40 and 17,474,143.20 is: 26,211,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,221.60 : 32,257,832.40 = 17,474,143.20 : x
  2. Step 2: Convert to fraction form
    21,505,221.60/32,257,832.40 = 17,474,143.20/x
  3. Step 3: Cross multiply
    21,505,221.60x = 32,257,832.40 × 17,474,143.20
  4. Step 4: Simplify right side
    21,505,221.60x = 563,677,982,679,199.62
  5. Step 5: Solve for x
    x = 563,677,982,679,199.62/21,505,221.60
  6. Step 6: Final answer
    x = 26,211,214.80

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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.