Home / 11,867,198.34-17,803,011.84-5,390,728.62

Finding the Fourth Proportional to 11,867,198.34, 17,803,011.84 and 5,390,728.62

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Solution

The fourth proportional to 11,867,198.34, 17,803,011.84 and 5,390,728.62 is: 8,087,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867,198.34 : 17,803,011.84 = 5,390,728.62 : x
  2. Step 2: Convert to fraction form
    11,867,198.34/17,803,011.84 = 5,390,728.62/x
  3. Step 3: Cross multiply
    11,867,198.34x = 17,803,011.84 × 5,390,728.62
  4. Step 4: Simplify right side
    11,867,198.34x = 95,971,205,448,086.86
  5. Step 5: Solve for x
    x = 95,971,205,448,086.86/11,867,198.34
  6. Step 6: Final answer
    x = 8,087,098.80

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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.