Home / 15,784,614.80-21,782,834.03-8,541,270.80

Finding the Fourth Proportional to 15,784,614.80, 21,782,834.03 and 8,541,270.80

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Solution

The fourth proportional to 15,784,614.80, 21,782,834.03 and 8,541,270.80 is: 11,786,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,614.80 : 21,782,834.03 = 8,541,270.80 : x
  2. Step 2: Convert to fraction form
    15,784,614.80/21,782,834.03 = 8,541,270.80/x
  3. Step 3: Cross multiply
    15,784,614.80x = 21,782,834.03 × 8,541,270.80
  4. Step 4: Simplify right side
    15,784,614.80x = 186,053,084,241,685.34
  5. Step 5: Solve for x
    x = 186,053,084,241,685.34/15,784,614.80
  6. Step 6: Final answer
    x = 11,786,989.20

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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.