Home / 12,690,273.40-17,512,790.27-6,889,055.14

Finding the Fourth Proportional to 12,690,273.40, 17,512,790.27 and 6,889,055.14

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Solution

The fourth proportional to 12,690,273.40, 17,512,790.27 and 6,889,055.14 is: 9,507,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,273.40 : 17,512,790.27 = 6,889,055.14 : x
  2. Step 2: Convert to fraction form
    12,690,273.40/17,512,790.27 = 6,889,055.14/x
  3. Step 3: Cross multiply
    12,690,273.40x = 17,512,790.27 × 6,889,055.14
  4. Step 4: Simplify right side
    12,690,273.40x = 120,646,577,747,058.25
  5. Step 5: Solve for x
    x = 120,646,577,747,058.25/12,690,273.40
  6. Step 6: Final answer
    x = 9,507,011.71

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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.