Home / 21,485,324.45-32,206,437.88-9,978,872.42

Finding the Fourth Proportional to 21,485,324.45, 32,206,437.88 and 9,978,872.42

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Solution

The fourth proportional to 21,485,324.45, 32,206,437.88 and 9,978,872.42 is: 14,958,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,324.45 : 32,206,437.88 = 9,978,872.42 : x
  2. Step 2: Convert to fraction form
    21,485,324.45/32,206,437.88 = 9,978,872.42/x
  3. Step 3: Cross multiply
    21,485,324.45x = 32,206,437.88 × 9,978,872.42
  4. Step 4: Simplify right side
    21,485,324.45x = 321,383,934,762,744.19
  5. Step 5: Solve for x
    x = 321,383,934,762,744.19/21,485,324.45
  6. Step 6: Final answer
    x = 14,958,300.28

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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.