Home / 30,057,908.78-41,479,994.31-16,306,872.91

Finding the Fourth Proportional to 30,057,908.78, 41,479,994.31 and 16,306,872.91

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Solution

The fourth proportional to 30,057,908.78, 41,479,994.31 and 16,306,872.91 is: 22,503,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057,908.78 : 41,479,994.31 = 16,306,872.91 : x
  2. Step 2: Convert to fraction form
    30,057,908.78/41,479,994.31 = 16,306,872.91/x
  3. Step 3: Cross multiply
    30,057,908.78x = 41,479,994.31 × 16,306,872.91
  4. Step 4: Simplify right side
    30,057,908.78x = 676,408,995,520,693.12
  5. Step 5: Solve for x
    x = 676,408,995,520,693.12/30,057,908.78
  6. Step 6: Final answer
    x = 22,503,528.12

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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.