Home / 8,155,868.45-11,255,815.62-4,485,431.81

Finding the Fourth Proportional to 8,155,868.45, 11,255,815.62 and 4,485,431.81

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Solution

The fourth proportional to 8,155,868.45, 11,255,815.62 and 4,485,431.81 is: 6,190,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,868.45 : 11,255,815.62 = 4,485,431.81 : x
  2. Step 2: Convert to fraction form
    8,155,868.45/11,255,815.62 = 4,485,431.81/x
  3. Step 3: Cross multiply
    8,155,868.45x = 11,255,815.62 × 4,485,431.81
  4. Step 4: Simplify right side
    8,155,868.45x = 50,487,193,457,582.41
  5. Step 5: Solve for x
    x = 50,487,193,457,582.41/8,155,868.45
  6. Step 6: Final answer
    x = 6,190,290.32

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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.