Home / 10,494,215.50-15,705,769.44-6,453,262.78

Finding the Fourth Proportional to 10,494,215.50, 15,705,769.44 and 6,453,262.78

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Solution

The fourth proportional to 10,494,215.50, 15,705,769.44 and 6,453,262.78 is: 9,658,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,494,215.50 : 15,705,769.44 = 6,453,262.78 : x
  2. Step 2: Convert to fraction form
    10,494,215.50/15,705,769.44 = 6,453,262.78/x
  3. Step 3: Cross multiply
    10,494,215.50x = 15,705,769.44 × 6,453,262.78
  4. Step 4: Simplify right side
    10,494,215.50x = 101,353,457,358,413.44
  5. Step 5: Solve for x
    x = 101,353,457,358,413.44/10,494,215.50
  6. Step 6: Final answer
    x = 9,658,030.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.