Home / 20,217,308.82-30,295,104.45-12,003,776.93

Finding the Fourth Proportional to 20,217,308.82, 30,295,104.45 and 12,003,776.93

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Solution

The fourth proportional to 20,217,308.82, 30,295,104.45 and 12,003,776.93 is: 17,987,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217,308.82 : 30,295,104.45 = 12,003,776.93 : x
  2. Step 2: Convert to fraction form
    20,217,308.82/30,295,104.45 = 12,003,776.93/x
  3. Step 3: Cross multiply
    20,217,308.82x = 30,295,104.45 × 12,003,776.93
  4. Step 4: Simplify right side
    20,217,308.82x = 363,655,675,987,095.19
  5. Step 5: Solve for x
    x = 363,655,675,987,095.19/20,217,308.82
  6. Step 6: Final answer
    x = 17,987,343.38

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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.