Home / 10,123,084.26-13,969,856.16-5,539,405.50

Finding the Fourth Proportional to 10,123,084.26, 13,969,856.16 and 5,539,405.50

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Solution

The fourth proportional to 10,123,084.26, 13,969,856.16 and 5,539,405.50 is: 7,644,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,084.26 : 13,969,856.16 = 5,539,405.50 : x
  2. Step 2: Convert to fraction form
    10,123,084.26/13,969,856.16 = 5,539,405.50/x
  3. Step 3: Cross multiply
    10,123,084.26x = 13,969,856.16 × 5,539,405.50
  4. Step 4: Simplify right side
    10,123,084.26x = 77,384,698,046,912.88
  5. Step 5: Solve for x
    x = 77,384,698,046,912.88/10,123,084.26
  6. Step 6: Final answer
    x = 7,644,379.52

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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.