Home / 8,404,286.61-12,610,366.53-4,142,131.41

Finding the Fourth Proportional to 8,404,286.61, 12,610,366.53 and 4,142,131.41

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Solution

The fourth proportional to 8,404,286.61, 12,610,366.53 and 4,142,131.41 is: 6,215,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,286.61 : 12,610,366.53 = 4,142,131.41 : x
  2. Step 2: Convert to fraction form
    8,404,286.61/12,610,366.53 = 4,142,131.41/x
  3. Step 3: Cross multiply
    8,404,286.61x = 12,610,366.53 × 4,142,131.41
  4. Step 4: Simplify right side
    8,404,286.61x = 52,233,795,295,525.70
  5. Step 5: Solve for x
    x = 52,233,795,295,525.70/8,404,286.61
  6. Step 6: Final answer
    x = 6,215,137.31

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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.