Home / 13,556,947.77-20,335,586.09-3,972,520.71

Finding the Fourth Proportional to 13,556,947.77, 20,335,586.09 and 3,972,520.71

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Solution

The fourth proportional to 13,556,947.77, 20,335,586.09 and 3,972,520.71 is: 5,958,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,947.77 : 20,335,586.09 = 3,972,520.71 : x
  2. Step 2: Convert to fraction form
    13,556,947.77/20,335,586.09 = 3,972,520.71/x
  3. Step 3: Cross multiply
    13,556,947.77x = 20,335,586.09 × 3,972,520.71
  4. Step 4: Simplify right side
    13,556,947.77x = 80,783,536,872,650.33
  5. Step 5: Solve for x
    x = 80,783,536,872,650.33/13,556,947.77
  6. Step 6: Final answer
    x = 5,958,829.25

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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.