Home / 10,303,112.70-15,455,004.84-5,182,751.97

Finding the Fourth Proportional to 10,303,112.70, 15,455,004.84 and 5,182,751.97

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Solution

The fourth proportional to 10,303,112.70, 15,455,004.84 and 5,182,751.97 is: 7,774,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,112.70 : 15,455,004.84 = 5,182,751.97 : x
  2. Step 2: Convert to fraction form
    10,303,112.70/15,455,004.84 = 5,182,751.97/x
  3. Step 3: Cross multiply
    10,303,112.70x = 15,455,004.84 × 5,182,751.97
  4. Step 4: Simplify right side
    10,303,112.70x = 80,099,456,780,869.53
  5. Step 5: Solve for x
    x = 80,099,456,780,869.53/10,303,112.70
  6. Step 6: Final answer
    x = 7,774,296.87

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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.