Home / 13,593,640.32-18,759,755.52-7,482,637.44

Finding the Fourth Proportional to 13,593,640.32, 18,759,755.52 and 7,482,637.44

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Solution

The fourth proportional to 13,593,640.32, 18,759,755.52 and 7,482,637.44 is: 10,326,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,640.32 : 18,759,755.52 = 7,482,637.44 : x
  2. Step 2: Convert to fraction form
    13,593,640.32/18,759,755.52 = 7,482,637.44/x
  3. Step 3: Cross multiply
    13,593,640.32x = 18,759,755.52 × 7,482,637.44
  4. Step 4: Simplify right side
    13,593,640.32x = 140,372,449,019,198.67
  5. Step 5: Solve for x
    x = 140,372,449,019,198.67/13,593,640.32
  6. Step 6: Final answer
    x = 10,326,332.44

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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.