Home / 8,121,457.86-12,181,738.41-2,729,551.52

Finding the Fourth Proportional to 8,121,457.86, 12,181,738.41 and 2,729,551.52

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Solution

The fourth proportional to 8,121,457.86, 12,181,738.41 and 2,729,551.52 is: 4,094,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,457.86 : 12,181,738.41 = 2,729,551.52 : x
  2. Step 2: Convert to fraction form
    8,121,457.86/12,181,738.41 = 2,729,551.52/x
  3. Step 3: Cross multiply
    8,121,457.86x = 12,181,738.41 × 2,729,551.52
  4. Step 4: Simplify right side
    8,121,457.86x = 33,250,682,532,349.19
  5. Step 5: Solve for x
    x = 33,250,682,532,349.19/8,121,457.86
  6. Step 6: Final answer
    x = 4,094,176.58

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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.