Home / 30,005,279.52-45,007,297.04-7,286,295.84

Finding the Fourth Proportional to 30,005,279.52, 45,007,297.04 and 7,286,295.84

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Solution

The fourth proportional to 30,005,279.52, 45,007,297.04 and 7,286,295.84 is: 10,929,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005,279.52 : 45,007,297.04 = 7,286,295.84 : x
  2. Step 2: Convert to fraction form
    30,005,279.52/45,007,297.04 = 7,286,295.84/x
  3. Step 3: Cross multiply
    30,005,279.52x = 45,007,297.04 × 7,286,295.84
  4. Step 4: Simplify right side
    30,005,279.52x = 327,936,481,192,196.31
  5. Step 5: Solve for x
    x = 327,936,481,192,196.31/30,005,279.52
  6. Step 6: Final answer
    x = 10,929,292.66

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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.