Home / 10,119,200.40-13,964,491.86-5,535,520.56

Finding the Fourth Proportional to 10,119,200.40, 13,964,491.86 and 5,535,520.56

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Solution

The fourth proportional to 10,119,200.40, 13,964,491.86 and 5,535,520.56 is: 7,639,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119,200.40 : 13,964,491.86 = 5,535,520.56 : x
  2. Step 2: Convert to fraction form
    10,119,200.40/13,964,491.86 = 5,535,520.56/x
  3. Step 3: Cross multiply
    10,119,200.40x = 13,964,491.86 × 5,535,520.56
  4. Step 4: Simplify right side
    10,119,200.40x = 77,300,731,800,982.62
  5. Step 5: Solve for x
    x = 77,300,731,800,982.62/10,119,200.40
  6. Step 6: Final answer
    x = 7,639,015.81

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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.