Home / 30,884,345.31-42,621,180.92-16,945,696.73

Finding the Fourth Proportional to 30,884,345.31, 42,621,180.92 and 16,945,696.73

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Solution

The fourth proportional to 30,884,345.31, 42,621,180.92 and 16,945,696.73 is: 23,385,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884,345.31 : 42,621,180.92 = 16,945,696.73 : x
  2. Step 2: Convert to fraction form
    30,884,345.31/42,621,180.92 = 16,945,696.73/x
  3. Step 3: Cross multiply
    30,884,345.31x = 42,621,180.92 × 16,945,696.73
  4. Step 4: Simplify right side
    30,884,345.31x = 722,245,606,230,153.38
  5. Step 5: Solve for x
    x = 722,245,606,230,153.38/30,884,345.31
  6. Step 6: Final answer
    x = 23,385,491.87

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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.