Home / 10,519,857.38-14,514,936.45-6,389,773.49

Finding the Fourth Proportional to 10,519,857.38, 14,514,936.45 and 6,389,773.49

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Solution

The fourth proportional to 10,519,857.38, 14,514,936.45 and 6,389,773.49 is: 8,816,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,857.38 : 14,514,936.45 = 6,389,773.49 : x
  2. Step 2: Convert to fraction form
    10,519,857.38/14,514,936.45 = 6,389,773.49/x
  3. Step 3: Cross multiply
    10,519,857.38x = 14,514,936.45 × 6,389,773.49
  4. Step 4: Simplify right side
    10,519,857.38x = 92,747,156,149,570.39
  5. Step 5: Solve for x
    x = 92,747,156,149,570.39/10,519,857.38
  6. Step 6: Final answer
    x = 8,816,389.12

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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.