Home / 12,579,632.62-18,865,800.12-4,901,564.86

Finding the Fourth Proportional to 12,579,632.62, 18,865,800.12 and 4,901,564.86

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Solution

The fourth proportional to 12,579,632.62, 18,865,800.12 and 4,901,564.86 is: 7,350,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,632.62 : 18,865,800.12 = 4,901,564.86 : x
  2. Step 2: Convert to fraction form
    12,579,632.62/18,865,800.12 = 4,901,564.86/x
  3. Step 3: Cross multiply
    12,579,632.62x = 18,865,800.12 × 4,901,564.86
  4. Step 4: Simplify right side
    12,579,632.62x = 92,471,942,923,975.80
  5. Step 5: Solve for x
    x = 92,471,942,923,975.80/12,579,632.62
  6. Step 6: Final answer
    x = 7,350,925.56

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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.