Home / 21,954,705.52-30,297,672.84-12,165,313.12

Finding the Fourth Proportional to 21,954,705.52, 30,297,672.84 and 12,165,313.12

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Solution

The fourth proportional to 21,954,705.52, 30,297,672.84 and 12,165,313.12 is: 16,788,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,705.52 : 30,297,672.84 = 12,165,313.12 : x
  2. Step 2: Convert to fraction form
    21,954,705.52/30,297,672.84 = 12,165,313.12/x
  3. Step 3: Cross multiply
    21,954,705.52x = 30,297,672.84 × 12,165,313.12
  4. Step 4: Simplify right side
    21,954,705.52x = 368,580,676,905,919.62
  5. Step 5: Solve for x
    x = 368,580,676,905,919.62/21,954,705.52
  6. Step 6: Final answer
    x = 16,788,231.41

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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.