Home / 31,500,617.84-43,480,460.51-18,273,137.46

Finding the Fourth Proportional to 31,500,617.84, 43,480,460.51 and 18,273,137.46

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Solution

The fourth proportional to 31,500,617.84, 43,480,460.51 and 18,273,137.46 is: 25,222,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500,617.84 : 43,480,460.51 = 18,273,137.46 : x
  2. Step 2: Convert to fraction form
    31,500,617.84/43,480,460.51 = 18,273,137.46/x
  3. Step 3: Cross multiply
    31,500,617.84x = 43,480,460.51 × 18,273,137.46
  4. Step 4: Simplify right side
    31,500,617.84x = 794,524,431,904,326.62
  5. Step 5: Solve for x
    x = 794,524,431,904,326.62/31,500,617.84
  6. Step 6: Final answer
    x = 25,222,503.12

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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.