Home / 9,912,173.54-13,678,584.28-5,725,861.88

Finding the Fourth Proportional to 9,912,173.54, 13,678,584.28 and 5,725,861.88

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Solution

The fourth proportional to 9,912,173.54, 13,678,584.28 and 5,725,861.88 is: 7,901,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,173.54 : 13,678,584.28 = 5,725,861.88 : x
  2. Step 2: Convert to fraction form
    9,912,173.54/13,678,584.28 = 5,725,861.88/x
  3. Step 3: Cross multiply
    9,912,173.54x = 13,678,584.28 × 5,725,861.88
  4. Step 4: Simplify right side
    9,912,173.54x = 78,321,684,218,511.67
  5. Step 5: Solve for x
    x = 78,321,684,218,511.67/9,912,173.54
  6. Step 6: Final answer
    x = 7,901,565.07

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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.