Home / 12,599,382.90-18,883,720.53-6,530,768.94

Finding the Fourth Proportional to 12,599,382.90, 18,883,720.53 and 6,530,768.94

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Solution

The fourth proportional to 12,599,382.90, 18,883,720.53 and 6,530,768.94 is: 9,788,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599,382.90 : 18,883,720.53 = 6,530,768.94 : x
  2. Step 2: Convert to fraction form
    12,599,382.90/18,883,720.53 = 6,530,768.94/x
  3. Step 3: Cross multiply
    12,599,382.90x = 18,883,720.53 × 6,530,768.94
  4. Step 4: Simplify right side
    12,599,382.90x = 123,325,215,508,964.36
  5. Step 5: Solve for x
    x = 123,325,215,508,964.36/12,599,382.90
  6. Step 6: Final answer
    x = 9,788,194.91

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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.