Home / 30,378,072.64-45,567,143.52-11,200,521.28

Finding the Fourth Proportional to 30,378,072.64, 45,567,143.52 and 11,200,521.28

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Solution

The fourth proportional to 30,378,072.64, 45,567,143.52 and 11,200,521.28 is: 16,800,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,072.64 : 45,567,143.52 = 11,200,521.28 : x
  2. Step 2: Convert to fraction form
    30,378,072.64/45,567,143.52 = 11,200,521.28/x
  3. Step 3: Cross multiply
    30,378,072.64x = 45,567,143.52 × 11,200,521.28
  4. Step 4: Simplify right side
    30,378,072.64x = 510,375,760,664,574.12
  5. Step 5: Solve for x
    x = 510,375,760,664,574.12/30,378,072.64
  6. Step 6: Final answer
    x = 16,800,794.66

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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.