Home / 12,139,054.16-16,751,912.73-6,912,066.57

Finding the Fourth Proportional to 12,139,054.16, 16,751,912.73 and 6,912,066.57

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Solution

The fourth proportional to 12,139,054.16, 16,751,912.73 and 6,912,066.57 is: 9,538,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,054.16 : 16,751,912.73 = 6,912,066.57 : x
  2. Step 2: Convert to fraction form
    12,139,054.16/16,751,912.73 = 6,912,066.57/x
  3. Step 3: Cross multiply
    12,139,054.16x = 16,751,912.73 × 6,912,066.57
  4. Step 4: Simplify right side
    12,139,054.16x = 115,790,335,964,590.44
  5. Step 5: Solve for x
    x = 115,790,335,964,590.44/12,139,054.16
  6. Step 6: Final answer
    x = 9,538,662.11

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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.