Home / 20,175,199.34-27,809,250.90-13,646,447.87

Finding the Fourth Proportional to 20,175,199.34, 27,809,250.90 and 13,646,447.87

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Solution

The fourth proportional to 20,175,199.34, 27,809,250.90 and 13,646,447.87 is: 18,810,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175,199.34 : 27,809,250.90 = 13,646,447.87 : x
  2. Step 2: Convert to fraction form
    20,175,199.34/27,809,250.90 = 13,646,447.87/x
  3. Step 3: Cross multiply
    20,175,199.34x = 27,809,250.90 × 13,646,447.87
  4. Step 4: Simplify right side
    20,175,199.34x = 379,497,492,710,600.56
  5. Step 5: Solve for x
    x = 379,497,492,710,600.56/20,175,199.34
  6. Step 6: Final answer
    x = 18,810,098.79

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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.