Home / 12,995,447.57-17,933,007.16-7,113,943.97

Finding the Fourth Proportional to 12,995,447.57, 17,933,007.16 and 7,113,943.97

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Solution

The fourth proportional to 12,995,447.57, 17,933,007.16 and 7,113,943.97 is: 9,816,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,447.57 : 17,933,007.16 = 7,113,943.97 : x
  2. Step 2: Convert to fraction form
    12,995,447.57/17,933,007.16 = 7,113,943.97/x
  3. Step 3: Cross multiply
    12,995,447.57x = 17,933,007.16 × 7,113,943.97
  4. Step 4: Simplify right side
    12,995,447.57x = 127,574,408,069,446.59
  5. Step 5: Solve for x
    x = 127,574,408,069,446.59/12,995,447.57
  6. Step 6: Final answer
    x = 9,816,853.74

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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.