Home / 12,139,053.66-16,751,912.04-6,912,066.07

Finding the Fourth Proportional to 12,139,053.66, 16,751,912.04 and 6,912,066.07

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Solution

The fourth proportional to 12,139,053.66, 16,751,912.04 and 6,912,066.07 is: 9,538,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,053.66 : 16,751,912.04 = 6,912,066.07 : x
  2. Step 2: Convert to fraction form
    12,139,053.66/16,751,912.04 = 6,912,066.07/x
  3. Step 3: Cross multiply
    12,139,053.66x = 16,751,912.04 × 6,912,066.07
  4. Step 4: Simplify right side
    12,139,053.66x = 115,790,322,819,308.48
  5. Step 5: Solve for x
    x = 115,790,322,819,308.48/12,139,053.66
  6. Step 6: Final answer
    x = 9,538,661.42

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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.