Home / 12,148,992.94-16,765,960.18-6,716,834.86

Finding the Fourth Proportional to 12,148,992.94, 16,765,960.18 and 6,716,834.86

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Solution

The fourth proportional to 12,148,992.94, 16,765,960.18 and 6,716,834.86 is: 9,269,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,992.94 : 16,765,960.18 = 6,716,834.86 : x
  2. Step 2: Convert to fraction form
    12,148,992.94/16,765,960.18 = 6,716,834.86/x
  3. Step 3: Cross multiply
    12,148,992.94x = 16,765,960.18 × 6,716,834.86
  4. Step 4: Simplify right side
    12,148,992.94x = 112,614,185,739,688.89
  5. Step 5: Solve for x
    x = 112,614,185,739,688.89/12,148,992.94
  6. Step 6: Final answer
    x = 9,269,425.57

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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.