Home / 30,286,036.05-45,429,054.08-18,192,800.85

Finding the Fourth Proportional to 30,286,036.05, 45,429,054.08 and 18,192,800.85

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Solution

The fourth proportional to 30,286,036.05, 45,429,054.08 and 18,192,800.85 is: 27,289,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286,036.05 : 45,429,054.08 = 18,192,800.85 : x
  2. Step 2: Convert to fraction form
    30,286,036.05/45,429,054.08 = 18,192,800.85/x
  3. Step 3: Cross multiply
    30,286,036.05x = 45,429,054.08 × 18,192,800.85
  4. Step 4: Simplify right side
    30,286,036.05x = 826,481,733,590,356.12
  5. Step 5: Solve for x
    x = 826,481,733,590,356.12/30,286,036.05
  6. Step 6: Final answer
    x = 27,289,201.28

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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.