Home / 21,805,786.56-32,688,882.57-10,879,318.08

Finding the Fourth Proportional to 21,805,786.56, 32,688,882.57 and 10,879,318.08

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Solution

The fourth proportional to 21,805,786.56, 32,688,882.57 and 10,879,318.08 is: 16,309,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,786.56 : 32,688,882.57 = 10,879,318.08 : x
  2. Step 2: Convert to fraction form
    21,805,786.56/32,688,882.57 = 10,879,318.08/x
  3. Step 3: Cross multiply
    21,805,786.56x = 32,688,882.57 × 10,879,318.08
  4. Step 4: Simplify right side
    21,805,786.56x = 355,632,751,158,797.88
  5. Step 5: Solve for x
    x = 355,632,751,158,797.88/21,805,786.56
  6. Step 6: Final answer
    x = 16,309,099.89

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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.