Home / 30,890,121.59-42,628,689.36-16,952,379.43

Finding the Fourth Proportional to 30,890,121.59, 42,628,689.36 and 16,952,379.43

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Solution

The fourth proportional to 30,890,121.59, 42,628,689.36 and 16,952,379.43 is: 23,394,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890,121.59 : 42,628,689.36 = 16,952,379.43 : x
  2. Step 2: Convert to fraction form
    30,890,121.59/42,628,689.36 = 16,952,379.43/x
  3. Step 3: Cross multiply
    30,890,121.59x = 42,628,689.36 × 16,952,379.43
  4. Step 4: Simplify right side
    30,890,121.59x = 722,657,716,485,371.12
  5. Step 5: Solve for x
    x = 722,657,716,485,371.12/30,890,121.59
  6. Step 6: Final answer
    x = 23,394,460.09

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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.