Home / 15,857,136.79-21,883,450.29-8,887,943.15

Finding the Fourth Proportional to 15,857,136.79, 21,883,450.29 and 8,887,943.15

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Solution

The fourth proportional to 15,857,136.79, 21,883,450.29 and 8,887,943.15 is: 12,265,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857,136.79 : 21,883,450.29 = 8,887,943.15 : x
  2. Step 2: Convert to fraction form
    15,857,136.79/21,883,450.29 = 8,887,943.15/x
  3. Step 3: Cross multiply
    15,857,136.79x = 21,883,450.29 × 8,887,943.15
  4. Step 4: Simplify right side
    15,857,136.79x = 194,498,861,993,953.75
  5. Step 5: Solve for x
    x = 194,498,861,993,953.75/15,857,136.79
  6. Step 6: Final answer
    x = 12,265,698.70

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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.