Home / 20,736,120.20-31,104,180.30-16,453,099.40

Finding the Fourth Proportional to 20,736,120.20, 31,104,180.30 and 16,453,099.40

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Solution

The fourth proportional to 20,736,120.20, 31,104,180.30 and 16,453,099.40 is: 24,679,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,120.20 : 31,104,180.30 = 16,453,099.40 : x
  2. Step 2: Convert to fraction form
    20,736,120.20/31,104,180.30 = 16,453,099.40/x
  3. Step 3: Cross multiply
    20,736,120.20x = 31,104,180.30 × 16,453,099.40
  4. Step 4: Simplify right side
    20,736,120.20x = 511,760,170,231,421.88
  5. Step 5: Solve for x
    x = 511,760,170,231,421.88/20,736,120.20
  6. Step 6: Final answer
    x = 24,679,649.10

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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.