Home / 11,314,982.95-15,614,214.89-6,420,099.69

Finding the Fourth Proportional to 11,314,982.95, 15,614,214.89 and 6,420,099.69

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Solution

The fourth proportional to 11,314,982.95, 15,614,214.89 and 6,420,099.69 is: 8,859,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314,982.95 : 15,614,214.89 = 6,420,099.69 : x
  2. Step 2: Convert to fraction form
    11,314,982.95/15,614,214.89 = 6,420,099.69/x
  3. Step 3: Cross multiply
    11,314,982.95x = 15,614,214.89 × 6,420,099.69
  4. Step 4: Simplify right side
    11,314,982.95x = 100,244,816,142,781.89
  5. Step 5: Solve for x
    x = 100,244,816,142,781.89/11,314,982.95
  6. Step 6: Final answer
    x = 8,859,475.67

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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.