Home / 12,927,418.39-17,839,958.60-7,126,407.68

Finding the Fourth Proportional to 12,927,418.39, 17,839,958.60 and 7,126,407.68

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Solution

The fourth proportional to 12,927,418.39, 17,839,958.60 and 7,126,407.68 is: 9,834,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,418.39 : 17,839,958.60 = 7,126,407.68 : x
  2. Step 2: Convert to fraction form
    12,927,418.39/17,839,958.60 = 7,126,407.68/x
  3. Step 3: Cross multiply
    12,927,418.39x = 17,839,958.60 × 7,126,407.68
  4. Step 4: Simplify right side
    12,927,418.39x = 127,134,817,906,538.27
  5. Step 5: Solve for x
    x = 127,134,817,906,538.27/12,927,418.39
  6. Step 6: Final answer
    x = 9,834,509.42

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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.