Home / 8,231,954.72-12,289,204.37-7,684,901.27

Finding the Fourth Proportional to 8,231,954.72, 12,289,204.37 and 7,684,901.27

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Solution

The fourth proportional to 8,231,954.72, 12,289,204.37 and 7,684,901.27 is: 11,472,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,954.72 : 12,289,204.37 = 7,684,901.27 : x
  2. Step 2: Convert to fraction form
    8,231,954.72/12,289,204.37 = 7,684,901.27/x
  3. Step 3: Cross multiply
    8,231,954.72x = 12,289,204.37 × 7,684,901.27
  4. Step 4: Simplify right side
    8,231,954.72x = 94,441,322,343,280.08
  5. Step 5: Solve for x
    x = 94,441,322,343,280.08/8,231,954.72
  6. Step 6: Final answer
    x = 11,472,526.95

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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.