Home / 30,830,245.65-42,542,638.33-17,076,640.05

Finding the Fourth Proportional to 30,830,245.65, 42,542,638.33 and 17,076,640.05

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Solution

The fourth proportional to 30,830,245.65, 42,542,638.33 and 17,076,640.05 is: 23,564,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830,245.65 : 42,542,638.33 = 17,076,640.05 : x
  2. Step 2: Convert to fraction form
    30,830,245.65/42,542,638.33 = 17,076,640.05/x
  3. Step 3: Cross multiply
    30,830,245.65x = 42,542,638.33 × 17,076,640.05
  4. Step 4: Simplify right side
    30,830,245.65x = 726,485,321,538,743.12
  5. Step 5: Solve for x
    x = 726,485,321,538,743.12/30,830,245.65
  6. Step 6: Final answer
    x = 23,564,045.83

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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.