Home / 8,617,155.89-12,928,806.87-4,298,824.15

Finding the Fourth Proportional to 8,617,155.89, 12,928,806.87 and 4,298,824.15

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Solution

The fourth proportional to 8,617,155.89, 12,928,806.87 and 4,298,824.15 is: 6,449,769.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617,155.89 : 12,928,806.87 = 4,298,824.15 : x
  2. Step 2: Convert to fraction form
    8,617,155.89/12,928,806.87 = 4,298,824.15/x
  3. Step 3: Cross multiply
    8,617,155.89x = 12,928,806.87 × 4,298,824.15
  4. Step 4: Simplify right side
    8,617,155.89x = 55,578,667,263,997.32
  5. Step 5: Solve for x
    x = 55,578,667,263,997.32/8,617,155.89
  6. Step 6: Final answer
    x = 6,449,769.27

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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.