Home / 12,491,390.07-17,236,791.23-6,908,749.47

Finding the Fourth Proportional to 12,491,390.07, 17,236,791.23 and 6,908,749.47

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Solution

The fourth proportional to 12,491,390.07, 17,236,791.23 and 6,908,749.47 is: 9,533,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,390.07 : 17,236,791.23 = 6,908,749.47 : x
  2. Step 2: Convert to fraction form
    12,491,390.07/17,236,791.23 = 6,908,749.47/x
  3. Step 3: Cross multiply
    12,491,390.07x = 17,236,791.23 × 6,908,749.47
  4. Step 4: Simplify right side
    12,491,390.07x = 119,084,672,240,219.41
  5. Step 5: Solve for x
    x = 119,084,672,240,219.41/12,491,390.07
  6. Step 6: Final answer
    x = 9,533,340.29

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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.