Home / 8,449,310.40-12,686,407.20-6,558,187.20

Finding the Fourth Proportional to 8,449,310.40, 12,686,407.20 and 6,558,187.20

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Solution

The fourth proportional to 8,449,310.40, 12,686,407.20 and 6,558,187.20 is: 9,846,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,310.40 : 12,686,407.20 = 6,558,187.20 : x
  2. Step 2: Convert to fraction form
    8,449,310.40/12,686,407.20 = 6,558,187.20/x
  3. Step 3: Cross multiply
    8,449,310.40x = 12,686,407.20 × 6,558,187.20
  4. Step 4: Simplify right side
    8,449,310.40x = 83,199,833,313,027.84
  5. Step 5: Solve for x
    x = 83,199,833,313,027.84/8,449,310.40
  6. Step 6: Final answer
    x = 9,846,937.72

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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.