Home / 15,215,975.68-20,962,755.84-10,625,025.28

Finding the Fourth Proportional to 15,215,975.68, 20,962,755.84 and 10,625,025.28

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Solution

The fourth proportional to 15,215,975.68, 20,962,755.84 and 10,625,025.28 is: 14,637,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215,975.68 : 20,962,755.84 = 10,625,025.28 : x
  2. Step 2: Convert to fraction form
    15,215,975.68/20,962,755.84 = 10,625,025.28/x
  3. Step 3: Cross multiply
    15,215,975.68x = 20,962,755.84 × 10,625,025.28
  4. Step 4: Simplify right side
    15,215,975.68x = 222,729,810,738,467.62
  5. Step 5: Solve for x
    x = 222,729,810,738,467.62/15,215,975.68
  6. Step 6: Final answer
    x = 14,637,892.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.