Home / 21,538,206.80-32,307,310.20-19,412,442.80

Finding the Fourth Proportional to 21,538,206.80, 32,307,310.20 and 19,412,442.80

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Solution

The fourth proportional to 21,538,206.80, 32,307,310.20 and 19,412,442.80 is: 29,118,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,206.80 : 32,307,310.20 = 19,412,442.80 : x
  2. Step 2: Convert to fraction form
    21,538,206.80/32,307,310.20 = 19,412,442.80/x
  3. Step 3: Cross multiply
    21,538,206.80x = 32,307,310.20 × 19,412,442.80
  4. Step 4: Simplify right side
    21,538,206.80x = 627,163,811,279,356.62
  5. Step 5: Solve for x
    x = 627,163,811,279,356.62/21,538,206.80
  6. Step 6: Final answer
    x = 29,118,664.20

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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.