Home / 30,031,991.76-41,442,552.48-16,978,470.24

Finding the Fourth Proportional to 30,031,991.76, 41,442,552.48 and 16,978,470.24

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Solution

The fourth proportional to 30,031,991.76, 41,442,552.48 and 16,978,470.24 is: 23,429,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031,991.76 : 41,442,552.48 = 16,978,470.24 : x
  2. Step 2: Convert to fraction form
    30,031,991.76/41,442,552.48 = 16,978,470.24/x
  3. Step 3: Cross multiply
    30,031,991.76x = 41,442,552.48 × 16,978,470.24
  4. Step 4: Simplify right side
    30,031,991.76x = 703,631,143,951,318.12
  5. Step 5: Solve for x
    x = 703,631,143,951,318.12/30,031,991.76
  6. Step 6: Final answer
    x = 23,429,386.55

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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.