Home / 12,101,856.57-16,700,561.81-6,669,348.57

Finding the Fourth Proportional to 12,101,856.57, 16,700,561.81 and 6,669,348.57

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Solution

The fourth proportional to 12,101,856.57, 16,700,561.81 and 6,669,348.57 is: 9,203,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,856.57 : 16,700,561.81 = 6,669,348.57 : x
  2. Step 2: Convert to fraction form
    12,101,856.57/16,700,561.81 = 6,669,348.57/x
  3. Step 3: Cross multiply
    12,101,856.57x = 16,700,561.81 × 6,669,348.57
  4. Step 4: Simplify right side
    12,101,856.57x = 111,381,867,992,373.38
  5. Step 5: Solve for x
    x = 111,381,867,992,373.38/12,101,856.57
  6. Step 6: Final answer
    x = 9,203,700.88

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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.