Home / 12,106,490.52-16,706,119.74-6,808,978.68

Finding the Fourth Proportional to 12,106,490.52, 16,706,119.74 and 6,808,978.68

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Solution

The fourth proportional to 12,106,490.52, 16,706,119.74 and 6,808,978.68 is: 9,395,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,490.52 : 16,706,119.74 = 6,808,978.68 : x
  2. Step 2: Convert to fraction form
    12,106,490.52/16,706,119.74 = 6,808,978.68/x
  3. Step 3: Cross multiply
    12,106,490.52x = 16,706,119.74 × 6,808,978.68
  4. Step 4: Simplify right side
    12,106,490.52x = 113,751,613,135,187.14
  5. Step 5: Solve for x
    x = 113,751,613,135,187.14/12,106,490.52
  6. Step 6: Final answer
    x = 9,395,919.73

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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.