Home / 21,911,136.85-30,231,936.34-14,166,860.50

Finding the Fourth Proportional to 21,911,136.85, 30,231,936.34 and 14,166,860.50

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Solution

The fourth proportional to 21,911,136.85, 30,231,936.34 and 14,166,860.50 is: 19,546,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,136.85 : 30,231,936.34 = 14,166,860.50 : x
  2. Step 2: Convert to fraction form
    21,911,136.85/30,231,936.34 = 14,166,860.50/x
  3. Step 3: Cross multiply
    21,911,136.85x = 30,231,936.34 × 14,166,860.50
  4. Step 4: Simplify right side
    21,911,136.85x = 428,291,624,773,660.56
  5. Step 5: Solve for x
    x = 428,291,624,773,660.56/21,911,136.85
  6. Step 6: Final answer
    x = 19,546,755.05

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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.