Home / 8,363,181.81-12,543,276.24-5,321,512.47

Finding the Fourth Proportional to 8,363,181.81, 12,543,276.24 and 5,321,512.47

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Solution

The fourth proportional to 8,363,181.81, 12,543,276.24 and 5,321,512.47 is: 7,981,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363,181.81 : 12,543,276.24 = 5,321,512.47 : x
  2. Step 2: Convert to fraction form
    8,363,181.81/12,543,276.24 = 5,321,512.47/x
  3. Step 3: Cross multiply
    8,363,181.81x = 12,543,276.24 × 5,321,512.47
  4. Step 4: Simplify right side
    8,363,181.81x = 66,749,200,925,814.71
  5. Step 5: Solve for x
    x = 66,749,200,925,814.71/8,363,181.81
  6. Step 6: Final answer
    x = 7,981,316.49

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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.