Home / 21,621,834.82-29,838,132.57-11,832,279.31

Finding the Fourth Proportional to 21,621,834.82, 29,838,132.57 and 11,832,279.31

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Solution

The fourth proportional to 21,621,834.82, 29,838,132.57 and 11,832,279.31 is: 16,328,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,834.82 : 29,838,132.57 = 11,832,279.31 : x
  2. Step 2: Convert to fraction form
    21,621,834.82/29,838,132.57 = 11,832,279.31/x
  3. Step 3: Cross multiply
    21,621,834.82x = 29,838,132.57 × 11,832,279.31
  4. Step 4: Simplify right side
    21,621,834.82x = 353,053,118,657,048.12
  5. Step 5: Solve for x
    x = 353,053,118,657,048.12/21,621,834.82
  6. Step 6: Final answer
    x = 16,328,545.73

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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.