Home / 13,622,003.97-18,798,512.49-7,427,000.42

Finding the Fourth Proportional to 13,622,003.97, 18,798,512.49 and 7,427,000.42

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Solution

The fourth proportional to 13,622,003.97, 18,798,512.49 and 7,427,000.42 is: 10,249,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,003.97 : 18,798,512.49 = 7,427,000.42 : x
  2. Step 2: Convert to fraction form
    13,622,003.97/18,798,512.49 = 7,427,000.42/x
  3. Step 3: Cross multiply
    13,622,003.97x = 18,798,512.49 × 7,427,000.42
  4. Step 4: Simplify right side
    13,622,003.97x = 139,616,560,064,612.67
  5. Step 5: Solve for x
    x = 139,616,560,064,612.67/13,622,003.97
  6. Step 6: Final answer
    x = 10,249,340.73

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1.5x scale

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.