Home / 15,786,816.03-21,785,805.90-8,543,472.03

Finding the Fourth Proportional to 15,786,816.03, 21,785,805.90 and 8,543,472.03

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Solution

The fourth proportional to 15,786,816.03, 21,785,805.90 and 8,543,472.03 is: 11,789,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,816.03 : 21,785,805.90 = 8,543,472.03 : x
  2. Step 2: Convert to fraction form
    15,786,816.03/21,785,805.90 = 8,543,472.03/x
  3. Step 3: Cross multiply
    15,786,816.03x = 21,785,805.90 × 8,543,472.03
  4. Step 4: Simplify right side
    15,786,816.03x = 186,126,423,357,658.94
  5. Step 5: Solve for x
    x = 186,126,423,357,658.94/15,786,816.03
  6. Step 6: Final answer
    x = 11,789,991.28

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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.