Home / 8,178,741.86-11,286,517.12-4,457,606.24

Finding the Fourth Proportional to 8,178,741.86, 11,286,517.12 and 4,457,606.24

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Solution

The fourth proportional to 8,178,741.86, 11,286,517.12 and 4,457,606.24 is: 6,151,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,741.86 : 11,286,517.12 = 4,457,606.24 : x
  2. Step 2: Convert to fraction form
    8,178,741.86/11,286,517.12 = 4,457,606.24/x
  3. Step 3: Cross multiply
    8,178,741.86x = 11,286,517.12 × 4,457,606.24
  4. Step 4: Simplify right side
    8,178,741.86x = 50,310,849,141,978.83
  5. Step 5: Solve for x
    x = 50,310,849,141,978.83/8,178,741.86
  6. Step 6: Final answer
    x = 6,151,416.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.