Home / 21,735,372.35-29,982,324.11-13,572,438.59

Finding the Fourth Proportional to 21,735,372.35, 29,982,324.11 and 13,572,438.59

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Solution

The fourth proportional to 21,735,372.35, 29,982,324.11 and 13,572,438.59 is: 18,722,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,372.35 : 29,982,324.11 = 13,572,438.59 : x
  2. Step 2: Convert to fraction form
    21,735,372.35/29,982,324.11 = 13,572,438.59/x
  3. Step 3: Cross multiply
    21,735,372.35x = 29,982,324.11 × 13,572,438.59
  4. Step 4: Simplify right side
    21,735,372.35x = 406,933,252,550,677.62
  5. Step 5: Solve for x
    x = 406,933,252,550,677.62/21,735,372.35
  6. Step 6: Final answer
    x = 18,722,166.16

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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.