Home / 6,415,687.76-8,853,211.32-3,767,406.80

Finding the Fourth Proportional to 6,415,687.76, 8,853,211.32 and 3,767,406.80

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Solution

The fourth proportional to 6,415,687.76, 8,853,211.32 and 3,767,406.80 is: 5,198,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,687.76 : 8,853,211.32 = 3,767,406.80 : x
  2. Step 2: Convert to fraction form
    6,415,687.76/8,853,211.32 = 3,767,406.80/x
  3. Step 3: Cross multiply
    6,415,687.76x = 8,853,211.32 × 3,767,406.80
  4. Step 4: Simplify right side
    6,415,687.76x = 33,353,648,528,804.98
  5. Step 5: Solve for x
    x = 33,353,648,528,804.98/6,415,687.76
  6. Step 6: Final answer
    x = 5,198,764.31

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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.