Home / 13,098,013.50-18,076,481.19-7,665,509.82

Finding the Fourth Proportional to 13,098,013.50, 18,076,481.19 and 7,665,509.82

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Solution

The fourth proportional to 13,098,013.50, 18,076,481.19 and 7,665,509.82 is: 10,579,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098,013.50 : 18,076,481.19 = 7,665,509.82 : x
  2. Step 2: Convert to fraction form
    13,098,013.50/18,076,481.19 = 7,665,509.82/x
  3. Step 3: Cross multiply
    13,098,013.50x = 18,076,481.19 × 7,665,509.82
  4. Step 4: Simplify right side
    13,098,013.50x = 138,565,444,072,990.30
  5. Step 5: Solve for x
    x = 138,565,444,072,990.30/13,098,013.50
  6. Step 6: Final answer
    x = 10,579,119.05

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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.