Home / 21,320,111.14-29,421,753.38-11,530,555.26

Finding the Fourth Proportional to 21,320,111.14, 29,421,753.38 and 11,530,555.26

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Solution

The fourth proportional to 21,320,111.14, 29,421,753.38 and 11,530,555.26 is: 15,912,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,111.14 : 29,421,753.38 = 11,530,555.26 : x
  2. Step 2: Convert to fraction form
    21,320,111.14/29,421,753.38 = 11,530,555.26/x
  3. Step 3: Cross multiply
    21,320,111.14x = 29,421,753.38 × 11,530,555.26
  4. Step 4: Simplify right side
    21,320,111.14x = 339,249,153,194,181.75
  5. Step 5: Solve for x
    x = 339,249,153,194,181.75/21,320,111.14
  6. Step 6: Final answer
    x = 15,912,166.26

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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.