Home / 21,422,299.88-32,126,626.32-7,042,053.18

Finding the Fourth Proportional to 21,422,299.88, 32,126,626.32 and 7,042,053.18

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Solution

The fourth proportional to 21,422,299.88, 32,126,626.32 and 7,042,053.18 is: 10,560,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,299.88 : 32,126,626.32 = 7,042,053.18 : x
  2. Step 2: Convert to fraction form
    21,422,299.88/32,126,626.32 = 7,042,053.18/x
  3. Step 3: Cross multiply
    21,422,299.88x = 32,126,626.32 × 7,042,053.18
  4. Step 4: Simplify right side
    21,422,299.88x = 226,237,411,039,427.69
  5. Step 5: Solve for x
    x = 226,237,411,039,427.69/21,422,299.88
  6. Step 6: Final answer
    x = 10,560,836.71

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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.