Home / 30,713,388.68-42,384,216.56-16,962,057.56

Finding the Fourth Proportional to 30,713,388.68, 42,384,216.56 and 16,962,057.56

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Solution

The fourth proportional to 30,713,388.68, 42,384,216.56 and 16,962,057.56 is: 23,407,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713,388.68 : 42,384,216.56 = 16,962,057.56 : x
  2. Step 2: Convert to fraction form
    30,713,388.68/42,384,216.56 = 16,962,057.56/x
  3. Step 3: Cross multiply
    30,713,388.68x = 42,384,216.56 × 16,962,057.56
  4. Step 4: Simplify right side
    30,713,388.68x = 718,923,520,947,375.50
  5. Step 5: Solve for x
    x = 718,923,520,947,375.50/30,713,388.68
  6. Step 6: Final answer
    x = 23,407,495.94

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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.