Home / 10,400,945.85-15,603,080.90-3,210,789.69

Finding the Fourth Proportional to 10,400,945.85, 15,603,080.90 and 3,210,789.69

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Solution

The fourth proportional to 10,400,945.85, 15,603,080.90 and 3,210,789.69 is: 4,816,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,945.85 : 15,603,080.90 = 3,210,789.69 : x
  2. Step 2: Convert to fraction form
    10,400,945.85/15,603,080.90 = 3,210,789.69/x
  3. Step 3: Cross multiply
    10,400,945.85x = 15,603,080.90 × 3,210,789.69
  4. Step 4: Simplify right side
    10,400,945.85x = 50,098,211,269,901.97
  5. Step 5: Solve for x
    x = 50,098,211,269,901.97/10,400,945.85
  6. Step 6: Final answer
    x = 4,816,697.63

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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.