Home / 8,343,359.70-12,515,039.55-2,663,999.70

Finding the Fourth Proportional to 8,343,359.70, 12,515,039.55 and 2,663,999.70

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Solution

The fourth proportional to 8,343,359.70, 12,515,039.55 and 2,663,999.70 is: 3,995,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343,359.70 : 12,515,039.55 = 2,663,999.70 : x
  2. Step 2: Convert to fraction form
    8,343,359.70/12,515,039.55 = 2,663,999.70/x
  3. Step 3: Cross multiply
    8,343,359.70x = 12,515,039.55 × 2,663,999.70
  4. Step 4: Simplify right side
    8,343,359.70x = 33,340,061,606,688.14
  5. Step 5: Solve for x
    x = 33,340,061,606,688.14/8,343,359.70
  6. Step 6: Final answer
    x = 3,995,999.55

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1.5x scale

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.