Home / 21,932,616.60-32,969,783.70-20,232,005.40

Finding the Fourth Proportional to 21,932,616.60, 32,969,783.70 and 20,232,005.40

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Solution

The fourth proportional to 21,932,616.60, 32,969,783.70 and 20,232,005.40 is: 30,413,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,616.60 : 32,969,783.70 = 20,232,005.40 : x
  2. Step 2: Convert to fraction form
    21,932,616.60/32,969,783.70 = 20,232,005.40/x
  3. Step 3: Cross multiply
    21,932,616.60x = 32,969,783.70 × 20,232,005.40
  4. Step 4: Simplify right side
    21,932,616.60x = 667,044,841,855,231.88
  5. Step 5: Solve for x
    x = 667,044,841,855,231.88/21,932,616.60
  6. Step 6: Final answer
    x = 30,413,372.65

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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.