Home / 21,494,609.88-29,662,563.51-11,705,051.13

Finding the Fourth Proportional to 21,494,609.88, 29,662,563.51 and 11,705,051.13

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Solution

The fourth proportional to 21,494,609.88, 29,662,563.51 and 11,705,051.13 is: 16,152,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,609.88 : 29,662,563.51 = 11,705,051.13 : x
  2. Step 2: Convert to fraction form
    21,494,609.88/29,662,563.51 = 11,705,051.13/x
  3. Step 3: Cross multiply
    21,494,609.88x = 29,662,563.51 × 11,705,051.13
  4. Step 4: Simplify right side
    21,494,609.88x = 347,201,822,324,584.19
  5. Step 5: Solve for x
    x = 347,201,822,324,584.19/21,494,609.88
  6. Step 6: Final answer
    x = 16,152,971.57

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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.