Home / 40,860,561.20-61,308,896.16-21,425,145.44

Finding the Fourth Proportional to 40,860,561.20, 61,308,896.16 and 21,425,145.44

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Solution

The fourth proportional to 40,860,561.20, 61,308,896.16 and 21,425,145.44 is: 32,147,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860,561.20 : 61,308,896.16 = 21,425,145.44 : x
  2. Step 2: Convert to fraction form
    40,860,561.20/61,308,896.16 = 21,425,145.44/x
  3. Step 3: Cross multiply
    40,860,561.20x = 61,308,896.16 × 21,425,145.44
  4. Step 4: Simplify right side
    40,860,561.20x = 1,313,552,016,993,857.50
  5. Step 5: Solve for x
    x = 1,313,552,016,993,857.50/40,860,561.20
  6. Step 6: Final answer
    x = 32,147,184.92

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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.