Home / 8,102,829.64-11,180,662.80-4,664,406.28

Finding the Fourth Proportional to 8,102,829.64, 11,180,662.80 and 4,664,406.28

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Solution

The fourth proportional to 8,102,829.64, 11,180,662.80 and 4,664,406.28 is: 6,436,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,829.64 : 11,180,662.80 = 4,664,406.28 : x
  2. Step 2: Convert to fraction form
    8,102,829.64/11,180,662.80 = 4,664,406.28/x
  3. Step 3: Cross multiply
    8,102,829.64x = 11,180,662.80 × 4,664,406.28
  4. Step 4: Simplify right side
    8,102,829.64x = 52,151,153,778,882.39
  5. Step 5: Solve for x
    x = 52,151,153,778,882.39/8,102,829.64
  6. Step 6: Final answer
    x = 6,436,165.65

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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.