Home / 8,780,975.70-13,171,389.66-6,863,499.75

Finding the Fourth Proportional to 8,780,975.70, 13,171,389.66 and 6,863,499.75

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Solution

The fourth proportional to 8,780,975.70, 13,171,389.66 and 6,863,499.75 is: 10,295,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,975.70 : 13,171,389.66 = 6,863,499.75 : x
  2. Step 2: Convert to fraction form
    8,780,975.70/13,171,389.66 = 6,863,499.75/x
  3. Step 3: Cross multiply
    8,780,975.70x = 13,171,389.66 × 6,863,499.75
  4. Step 4: Simplify right side
    8,780,975.70x = 90,401,829,638,562.59
  5. Step 5: Solve for x
    x = 90,401,829,638,562.59/8,780,975.70
  6. Step 6: Final answer
    x = 10,295,191.87

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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.