Home / 8,306,286.40-12,457,096.80-2,628,251.20

Finding the Fourth Proportional to 8,306,286.40, 12,457,096.80 and 2,628,251.20

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Solution

The fourth proportional to 8,306,286.40, 12,457,096.80 and 2,628,251.20 is: 3,941,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,286.40 : 12,457,096.80 = 2,628,251.20 : x
  2. Step 2: Convert to fraction form
    8,306,286.40/12,457,096.80 = 2,628,251.20/x
  3. Step 3: Cross multiply
    8,306,286.40x = 12,457,096.80 × 2,628,251.20
  4. Step 4: Simplify right side
    8,306,286.40x = 32,740,379,613,116.16
  5. Step 5: Solve for x
    x = 32,740,379,613,116.16/8,306,286.40
  6. Step 6: Final answer
    x = 3,941,638.66

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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.