Home / 7,889,373.86-11,833,142.20-2,131,833.92

Finding the Fourth Proportional to 7,889,373.86, 11,833,142.20 and 2,131,833.92

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Solution

The fourth proportional to 7,889,373.86, 11,833,142.20 and 2,131,833.92 is: 3,197,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,373.86 : 11,833,142.20 = 2,131,833.92 : x
  2. Step 2: Convert to fraction form
    7,889,373.86/11,833,142.20 = 2,131,833.92/x
  3. Step 3: Cross multiply
    7,889,373.86x = 11,833,142.20 × 2,131,833.92
  4. Step 4: Simplify right side
    7,889,373.86x = 25,226,293,922,143.42
  5. Step 5: Solve for x
    x = 25,226,293,922,143.42/7,889,373.86
  6. Step 6: Final answer
    x = 3,197,502.66

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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.