Home / 9,181,190.70-13,756,039.65-4,378,538.70

Finding the Fourth Proportional to 9,181,190.70, 13,756,039.65 and 4,378,538.70

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Solution

The fourth proportional to 9,181,190.70, 13,756,039.65 and 4,378,538.70 is: 6,560,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,190.70 : 13,756,039.65 = 4,378,538.70 : x
  2. Step 2: Convert to fraction form
    9,181,190.70/13,756,039.65 = 4,378,538.70/x
  3. Step 3: Cross multiply
    9,181,190.70x = 13,756,039.65 × 4,378,538.70
  4. Step 4: Simplify right side
    9,181,190.70x = 60,231,351,966,259.46
  5. Step 5: Solve for x
    x = 60,231,351,966,259.46/9,181,190.70
  6. Step 6: Final answer
    x = 6,560,298.54

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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.