Home / 20,358,113.71-30,530,690.97-6,708,713.80

Finding the Fourth Proportional to 20,358,113.71, 30,530,690.97 and 6,708,713.80

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Solution

The fourth proportional to 20,358,113.71, 30,530,690.97 and 6,708,713.80 is: 10,060,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,113.71 : 30,530,690.97 = 6,708,713.80 : x
  2. Step 2: Convert to fraction form
    20,358,113.71/30,530,690.97 = 6,708,713.80/x
  3. Step 3: Cross multiply
    20,358,113.71x = 30,530,690.97 × 6,708,713.80
  4. Step 4: Simplify right side
    20,358,113.71x = 204,821,667,833,974.38
  5. Step 5: Solve for x
    x = 204,821,667,833,974.38/20,358,113.71
  6. Step 6: Final answer
    x = 10,060,935.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.