Home / 12,785,943.48-19,179,081.42-4,266,279.95

Finding the Fourth Proportional to 12,785,943.48, 19,179,081.42 and 4,266,279.95

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Solution

The fourth proportional to 12,785,943.48, 19,179,081.42 and 4,266,279.95 is: 6,399,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,943.48 : 19,179,081.42 = 4,266,279.95 : x
  2. Step 2: Convert to fraction form
    12,785,943.48/19,179,081.42 = 4,266,279.95/x
  3. Step 3: Cross multiply
    12,785,943.48x = 19,179,081.42 × 4,266,279.95
  4. Step 4: Simplify right side
    12,785,943.48x = 81,823,330,425,668.14
  5. Step 5: Solve for x
    x = 81,823,330,425,668.14/12,785,943.48
  6. Step 6: Final answer
    x = 6,399,475.38

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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.