Home / 8,262,004.70-12,393,007.05-6,986,546.30

Finding the Fourth Proportional to 8,262,004.70, 12,393,007.05 and 6,986,546.30

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Solution

The fourth proportional to 8,262,004.70, 12,393,007.05 and 6,986,546.30 is: 10,479,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,004.70 : 12,393,007.05 = 6,986,546.30 : x
  2. Step 2: Convert to fraction form
    8,262,004.70/12,393,007.05 = 6,986,546.30/x
  3. Step 3: Cross multiply
    8,262,004.70x = 12,393,007.05 × 6,986,546.30
  4. Step 4: Simplify right side
    8,262,004.70x = 86,584,317,551,051.42
  5. Step 5: Solve for x
    x = 86,584,317,551,051.42/8,262,004.70
  6. Step 6: Final answer
    x = 10,479,819.45

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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.