Home / 10,519,858.38-14,514,937.83-6,389,774.49

Finding the Fourth Proportional to 10,519,858.38, 14,514,937.83 and 6,389,774.49

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Solution

The fourth proportional to 10,519,858.38, 14,514,937.83 and 6,389,774.49 is: 8,816,390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,858.38 : 14,514,937.83 = 6,389,774.49 : x
  2. Step 2: Convert to fraction form
    10,519,858.38/14,514,937.83 = 6,389,774.49/x
  3. Step 3: Cross multiply
    10,519,858.38x = 14,514,937.83 × 6,389,774.49
  4. Step 4: Simplify right side
    10,519,858.38x = 92,747,179,470,069.95
  5. Step 5: Solve for x
    x = 92,747,179,470,069.95/10,519,858.38
  6. Step 6: Final answer
    x = 8,816,390.50

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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.