Home / 8,517,839.40-12,786,090.30-4,738,703.40

Finding the Fourth Proportional to 8,517,839.40, 12,786,090.30 and 4,738,703.40

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Solution

The fourth proportional to 8,517,839.40, 12,786,090.30 and 4,738,703.40 is: 7,113,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,839.40 : 12,786,090.30 = 4,738,703.40 : x
  2. Step 2: Convert to fraction form
    8,517,839.40/12,786,090.30 = 4,738,703.40/x
  3. Step 3: Cross multiply
    8,517,839.40x = 12,786,090.30 × 4,738,703.40
  4. Step 4: Simplify right side
    8,517,839.40x = 60,589,489,577,317.03
  5. Step 5: Solve for x
    x = 60,589,489,577,317.03/8,517,839.40
  6. Step 6: Final answer
    x = 7,113,246.30

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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.