Home / 15,838,578.56-21,857,237.70-8,595,234.56

Finding the Fourth Proportional to 15,838,578.56, 21,857,237.70 and 8,595,234.56

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Solution

The fourth proportional to 15,838,578.56, 21,857,237.70 and 8,595,234.56 is: 11,861,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,578.56 : 21,857,237.70 = 8,595,234.56 : x
  2. Step 2: Convert to fraction form
    15,838,578.56/21,857,237.70 = 8,595,234.56/x
  3. Step 3: Cross multiply
    15,838,578.56x = 21,857,237.70 × 8,595,234.56
  4. Step 4: Simplify right side
    15,838,578.56x = 187,868,084,865,174.91
  5. Step 5: Solve for x
    x = 187,868,084,865,174.91/15,838,578.56
  6. Step 6: Final answer
    x = 11,861,423.31

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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.