Home / 38,286,134.12-52,839,332.13-21,768,733.70

Finding the Fourth Proportional to 38,286,134.12, 52,839,332.13 and 21,768,733.70

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Solution

The fourth proportional to 38,286,134.12, 52,839,332.13 and 21,768,733.70 is: 30,043,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286,134.12 : 52,839,332.13 = 21,768,733.70 : x
  2. Step 2: Convert to fraction form
    38,286,134.12/52,839,332.13 = 21,768,733.70/x
  3. Step 3: Cross multiply
    38,286,134.12x = 52,839,332.13 × 21,768,733.70
  4. Step 4: Simplify right side
    38,286,134.12x = 1,150,245,350,039,407.25
  5. Step 5: Solve for x
    x = 1,150,245,350,039,407.25/38,286,134.12
  6. Step 6: Final answer
    x = 30,043,392.38

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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.