Home / 30,212,530.61-45,228,467.10-18,504,035.69

Finding the Fourth Proportional to 30,212,530.61, 45,228,467.10 and 18,504,035.69

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Solution

The fourth proportional to 30,212,530.61, 45,228,467.10 and 18,504,035.69 is: 27,700,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212,530.61 : 45,228,467.10 = 18,504,035.69 : x
  2. Step 2: Convert to fraction form
    30,212,530.61/45,228,467.10 = 18,504,035.69/x
  3. Step 3: Cross multiply
    30,212,530.61x = 45,228,467.10 × 18,504,035.69
  4. Step 4: Simplify right side
    30,212,530.61x = 836,909,169,422,390.88
  5. Step 5: Solve for x
    x = 836,909,169,422,390.88/30,212,530.61
  6. Step 6: Final answer
    x = 27,700,730.54

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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.