Home / 21,356,021.38-29,473,898.88-12,063,983.26

Finding the Fourth Proportional to 21,356,021.38, 29,473,898.88 and 12,063,983.26

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Solution

The fourth proportional to 21,356,021.38, 29,473,898.88 and 12,063,983.26 is: 16,649,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356,021.38 : 29,473,898.88 = 12,063,983.26 : x
  2. Step 2: Convert to fraction form
    21,356,021.38/29,473,898.88 = 12,063,983.26/x
  3. Step 3: Cross multiply
    21,356,021.38x = 29,473,898.88 × 12,063,983.26
  4. Step 4: Simplify right side
    21,356,021.38x = 355,572,622,695,252.75
  5. Step 5: Solve for x
    x = 355,572,622,695,252.75/21,356,021.38
  6. Step 6: Final answer
    x = 16,649,759.63

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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.