Home / 12,419,802.72-17,139,325.41-6,913,059.57

Finding the Fourth Proportional to 12,419,802.72, 17,139,325.41 and 6,913,059.57

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Solution

The fourth proportional to 12,419,802.72, 17,139,325.41 and 6,913,059.57 is: 9,540,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,802.72 : 17,139,325.41 = 6,913,059.57 : x
  2. Step 2: Convert to fraction form
    12,419,802.72/17,139,325.41 = 6,913,059.57/x
  3. Step 3: Cross multiply
    12,419,802.72x = 17,139,325.41 × 6,913,059.57
  4. Step 4: Simplify right side
    12,419,802.72x = 118,485,177,548,944.69
  5. Step 5: Solve for x
    x = 118,485,177,548,944.69/12,419,802.72
  6. Step 6: Final answer
    x = 9,540,020.90

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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.