Home / 21,453,251.20-32,171,323.20-7,072,316.80

Finding the Fourth Proportional to 21,453,251.20, 32,171,323.20 and 7,072,316.80

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Solution

The fourth proportional to 21,453,251.20, 32,171,323.20 and 7,072,316.80 is: 10,605,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,251.20 : 32,171,323.20 = 7,072,316.80 : x
  2. Step 2: Convert to fraction form
    21,453,251.20/32,171,323.20 = 7,072,316.80/x
  3. Step 3: Cross multiply
    21,453,251.20x = 32,171,323.20 × 7,072,316.80
  4. Step 4: Simplify right side
    21,453,251.20x = 227,525,789,545,589.75
  5. Step 5: Solve for x
    x = 227,525,789,545,589.75/21,453,251.20
  6. Step 6: Final answer
    x = 10,605,655.41

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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.