Home / 14,359,136.80-21,538,705.20-5,261,216.80

Finding the Fourth Proportional to 14,359,136.80, 21,538,705.20 and 5,261,216.80

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Solution

The fourth proportional to 14,359,136.80, 21,538,705.20 and 5,261,216.80 is: 7,891,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359,136.80 : 21,538,705.20 = 5,261,216.80 : x
  2. Step 2: Convert to fraction form
    14,359,136.80/21,538,705.20 = 5,261,216.80/x
  3. Step 3: Cross multiply
    14,359,136.80x = 21,538,705.20 × 5,261,216.80
  4. Step 4: Simplify right side
    14,359,136.80x = 113,319,797,648,487.36
  5. Step 5: Solve for x
    x = 113,319,797,648,487.36/14,359,136.80
  6. Step 6: Final answer
    x = 7,891,825.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.