Home / 20,194,718.39-30,286,560.18-7,238,454.16

Finding the Fourth Proportional to 20,194,718.39, 30,286,560.18 and 7,238,454.16

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Solution

The fourth proportional to 20,194,718.39, 30,286,560.18 and 7,238,454.16 is: 10,855,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,718.39 : 30,286,560.18 = 7,238,454.16 : x
  2. Step 2: Convert to fraction form
    20,194,718.39/30,286,560.18 = 7,238,454.16/x
  3. Step 3: Cross multiply
    20,194,718.39x = 30,286,560.18 × 7,238,454.16
  4. Step 4: Simplify right side
    20,194,718.39x = 219,227,877,388,974.66
  5. Step 5: Solve for x
    x = 219,227,877,388,974.66/20,194,718.39
  6. Step 6: Final answer
    x = 10,855,703.62

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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.