Home / 14,057,668.89-21,062,431.76-7,672,401.63

Finding the Fourth Proportional to 14,057,668.89, 21,062,431.76 and 7,672,401.63

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Solution

The fourth proportional to 14,057,668.89, 21,062,431.76 and 7,672,401.63 is: 11,495,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057,668.89 : 21,062,431.76 = 7,672,401.63 : x
  2. Step 2: Convert to fraction form
    14,057,668.89/21,062,431.76 = 7,672,401.63/x
  3. Step 3: Cross multiply
    14,057,668.89x = 21,062,431.76 × 7,672,401.63
  4. Step 4: Simplify right side
    14,057,668.89x = 161,599,435,728,825.75
  5. Step 5: Solve for x
    x = 161,599,435,728,825.75/14,057,668.89
  6. Step 6: Final answer
    x = 11,495,464.65

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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.