Home / 13,384,011.66-18,469,871.55-7,582,780.86

Finding the Fourth Proportional to 13,384,011.66, 18,469,871.55 and 7,582,780.86

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Solution

The fourth proportional to 13,384,011.66, 18,469,871.55 and 7,582,780.86 is: 10,464,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,011.66 : 18,469,871.55 = 7,582,780.86 : x
  2. Step 2: Convert to fraction form
    13,384,011.66/18,469,871.55 = 7,582,780.86/x
  3. Step 3: Cross multiply
    13,384,011.66x = 18,469,871.55 × 7,582,780.86
  4. Step 4: Simplify right side
    13,384,011.66x = 140,052,988,475,998.55
  5. Step 5: Solve for x
    x = 140,052,988,475,998.55/13,384,011.66
  6. Step 6: Final answer
    x = 10,464,201.02

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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.