Home / 21,511,234.20-32,266,851.30-19,719,643.80

Finding the Fourth Proportional to 21,511,234.20, 32,266,851.30 and 19,719,643.80

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Solution

The fourth proportional to 21,511,234.20, 32,266,851.30 and 19,719,643.80 is: 29,579,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,234.20 : 32,266,851.30 = 19,719,643.80 : x
  2. Step 2: Convert to fraction form
    21,511,234.20/32,266,851.30 = 19,719,643.80/x
  3. Step 3: Cross multiply
    21,511,234.20x = 32,266,851.30 × 19,719,643.80
  4. Step 4: Simplify right side
    21,511,234.20x = 636,290,814,183,567
  5. Step 5: Solve for x
    x = 636,290,814,183,567/21,511,234.20
  6. Step 6: Final answer
    x = 29,579,465.70

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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.