Home / 8,231,933.28-12,289,172.06-7,684,879.93

Finding the Fourth Proportional to 8,231,933.28, 12,289,172.06 and 7,684,879.93

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Solution

The fourth proportional to 8,231,933.28, 12,289,172.06 and 7,684,879.93 is: 11,472,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,933.28 : 12,289,172.06 = 7,684,879.93 : x
  2. Step 2: Convert to fraction form
    8,231,933.28/12,289,172.06 = 7,684,879.93/x
  3. Step 3: Cross multiply
    8,231,933.28x = 12,289,172.06 × 7,684,879.93
  4. Step 4: Simplify right side
    8,231,933.28x = 94,440,811,720,210.75
  5. Step 5: Solve for x
    x = 94,440,811,720,210.75/8,231,933.28
  6. Step 6: Final answer
    x = 11,472,494.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.