Home / 20,933,653.22-28,884,207.31-12,230,145

Finding the Fourth Proportional to 20,933,653.22, 28,884,207.31 and 12,230,145

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Solution

The fourth proportional to 20,933,653.22, 28,884,207.31 and 12,230,145 is: 16,875,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,653.22 : 28,884,207.31 = 12,230,145 : x
  2. Step 2: Convert to fraction form
    20,933,653.22/28,884,207.31 = 12,230,145/x
  3. Step 3: Cross multiply
    20,933,653.22x = 28,884,207.31 × 12,230,145
  4. Step 4: Simplify right side
    20,933,653.22x = 353,258,043,611,359.94
  5. Step 5: Solve for x
    x = 353,258,043,611,359.94/20,933,653.22
  6. Step 6: Final answer
    x = 16,875,126.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.