Home / 20,741,402.64-28,623,137.22-11,448,974.91

Finding the Fourth Proportional to 20,741,402.64, 28,623,137.22 and 11,448,974.91

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Solution

The fourth proportional to 20,741,402.64, 28,623,137.22 and 11,448,974.91 is: 15,799,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,402.64 : 28,623,137.22 = 11,448,974.91 : x
  2. Step 2: Convert to fraction form
    20,741,402.64/28,623,137.22 = 11,448,974.91/x
  3. Step 3: Cross multiply
    20,741,402.64x = 28,623,137.22 × 11,448,974.91
  4. Step 4: Simplify right side
    20,741,402.64x = 327,705,579,877,267.12
  5. Step 5: Solve for x
    x = 327,705,579,877,267.12/20,741,402.64
  6. Step 6: Final answer
    x = 15,799,586.25

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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.