Home / 30,790,147.97-42,490,516.83-16,661,334.50

Finding the Fourth Proportional to 30,790,147.97, 42,490,516.83 and 16,661,334.50

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Solution

The fourth proportional to 30,790,147.97, 42,490,516.83 and 16,661,334.50 is: 22,992,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790,147.97 : 42,490,516.83 = 16,661,334.50 : x
  2. Step 2: Convert to fraction form
    30,790,147.97/42,490,516.83 = 16,661,334.50/x
  3. Step 3: Cross multiply
    30,790,147.97x = 42,490,516.83 × 16,661,334.50
  4. Step 4: Simplify right side
    30,790,147.97x = 707,948,713,982,509.62
  5. Step 5: Solve for x
    x = 707,948,713,982,509.62/30,790,147.97
  6. Step 6: Final answer
    x = 22,992,702.56

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1.5x scale

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.