Home / 8,423,861.31-11,632,014.82-5,331,839.36

Finding the Fourth Proportional to 8,423,861.31, 11,632,014.82 and 5,331,839.36

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Solution

The fourth proportional to 8,423,861.31, 11,632,014.82 and 5,331,839.36 is: 7,362,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,861.31 : 11,632,014.82 = 5,331,839.36 : x
  2. Step 2: Convert to fraction form
    8,423,861.31/11,632,014.82 = 5,331,839.36/x
  3. Step 3: Cross multiply
    8,423,861.31x = 11,632,014.82 × 5,331,839.36
  4. Step 4: Simplify right side
    8,423,861.31x = 62,020,034,469,129.76
  5. Step 5: Solve for x
    x = 62,020,034,469,129.76/8,423,861.31
  6. Step 6: Final answer
    x = 7,362,423.50

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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.