Home / 8,407,676.86-12,582,911.10-5,167,506.10

Finding the Fourth Proportional to 8,407,676.86, 12,582,911.10 and 5,167,506.10

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Solution

The fourth proportional to 8,407,676.86, 12,582,911.10 and 5,167,506.10 is: 7,733,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407,676.86 : 12,582,911.10 = 5,167,506.10 : x
  2. Step 2: Convert to fraction form
    8,407,676.86/12,582,911.10 = 5,167,506.10/x
  3. Step 3: Cross multiply
    8,407,676.86x = 12,582,911.10 × 5,167,506.10
  4. Step 4: Simplify right side
    8,407,676.86x = 65,022,269,865,007.70
  5. Step 5: Solve for x
    x = 65,022,269,865,007.70/8,407,676.86
  6. Step 6: Final answer
    x = 7,733,678.51

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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.