Home / 28,515,318.52-42,755,895.96-9,076,147.24

Finding the Fourth Proportional to 28,515,318.52, 42,755,895.96 and 9,076,147.24

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Solution

The fourth proportional to 28,515,318.52, 42,755,895.96 and 9,076,147.24 is: 13,608,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,318.52 : 42,755,895.96 = 9,076,147.24 : x
  2. Step 2: Convert to fraction form
    28,515,318.52/42,755,895.96 = 9,076,147.24/x
  3. Step 3: Cross multiply
    28,515,318.52x = 42,755,895.96 × 9,076,147.24
  4. Step 4: Simplify right side
    28,515,318.52x = 388,058,807,111,081.19
  5. Step 5: Solve for x
    x = 388,058,807,111,081.19/28,515,318.52
  6. Step 6: Final answer
    x = 13,608,783.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.