Home / 21,790,950.85-30,072,872.21-12,001,392.56

Finding the Fourth Proportional to 21,790,950.85, 30,072,872.21 and 12,001,392.56

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Solution

The fourth proportional to 21,790,950.85, 30,072,872.21 and 12,001,392.56 is: 16,562,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,950.85 : 30,072,872.21 = 12,001,392.56 : x
  2. Step 2: Convert to fraction form
    21,790,950.85/30,072,872.21 = 12,001,392.56/x
  3. Step 3: Cross multiply
    21,790,950.85x = 30,072,872.21 × 12,001,392.56
  4. Step 4: Simplify right side
    21,790,950.85x = 360,916,344,648,560.38
  5. Step 5: Solve for x
    x = 360,916,344,648,560.38/21,790,950.85
  6. Step 6: Final answer
    x = 16,562,670.77

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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.