Home / 12,973,453.15-17,899,086.34-8,329,839.79

Finding the Fourth Proportional to 12,973,453.15, 17,899,086.34 and 8,329,839.79

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Solution

The fourth proportional to 12,973,453.15, 17,899,086.34 and 8,329,839.79 is: 11,492,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,453.15 : 17,899,086.34 = 8,329,839.79 : x
  2. Step 2: Convert to fraction form
    12,973,453.15/17,899,086.34 = 8,329,839.79/x
  3. Step 3: Cross multiply
    12,973,453.15x = 17,899,086.34 × 8,329,839.79
  4. Step 4: Simplify right side
    12,973,453.15x = 149,096,521,599,577.47
  5. Step 5: Solve for x
    x = 149,096,521,599,577.47/12,973,453.15
  6. Step 6: Final answer
    x = 11,492,431.50

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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.