Home / 20,112,062.20-30,168,093.30-7,332,983.80

Finding the Fourth Proportional to 20,112,062.20, 30,168,093.30 and 7,332,983.80

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Solution

The fourth proportional to 20,112,062.20, 30,168,093.30 and 7,332,983.80 is: 10,999,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,062.20 : 30,168,093.30 = 7,332,983.80 : x
  2. Step 2: Convert to fraction form
    20,112,062.20/30,168,093.30 = 7,332,983.80/x
  3. Step 3: Cross multiply
    20,112,062.20x = 30,168,093.30 × 7,332,983.80
  4. Step 4: Simplify right side
    20,112,062.20x = 221,222,139,445,788.53
  5. Step 5: Solve for x
    x = 221,222,139,445,788.53/20,112,062.20
  6. Step 6: Final answer
    x = 10,999,475.70

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1.5x scale

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.