Home / 21,926,460.60-32,889,690.90-20,491,569.90

Finding the Fourth Proportional to 21,926,460.60, 32,889,690.90 and 20,491,569.90

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Solution

The fourth proportional to 21,926,460.60, 32,889,690.90 and 20,491,569.90 is: 30,737,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926,460.60 : 32,889,690.90 = 20,491,569.90 : x
  2. Step 2: Convert to fraction form
    21,926,460.60/32,889,690.90 = 20,491,569.90/x
  3. Step 3: Cross multiply
    21,926,460.60x = 32,889,690.90 × 20,491,569.90
  4. Step 4: Simplify right side
    21,926,460.60x = 673,961,400,066,743.88
  5. Step 5: Solve for x
    x = 673,961,400,066,743.88/21,926,460.60
  6. Step 6: Final answer
    x = 30,737,354.85

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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.