Home / 8,312,210.40-12,447,320.40-5,456,863.20

Finding the Fourth Proportional to 8,312,210.40, 12,447,320.40 and 5,456,863.20

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Solution

The fourth proportional to 8,312,210.40, 12,447,320.40 and 5,456,863.20 is: 8,171,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,210.40 : 12,447,320.40 = 5,456,863.20 : x
  2. Step 2: Convert to fraction form
    8,312,210.40/12,447,320.40 = 5,456,863.20/x
  3. Step 3: Cross multiply
    8,312,210.40x = 12,447,320.40 × 5,456,863.20
  4. Step 4: Simplify right side
    8,312,210.40x = 67,923,324,629,369.28
  5. Step 5: Solve for x
    x = 67,923,324,629,369.28/8,312,210.40
  6. Step 6: Final answer
    x = 8,171,511.71

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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.