Home / 13,101,261.72-19,651,892.58-5,117,487

Finding the Fourth Proportional to 13,101,261.72, 19,651,892.58 and 5,117,487

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Solution

The fourth proportional to 13,101,261.72, 19,651,892.58 and 5,117,487 is: 7,676,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,261.72 : 19,651,892.58 = 5,117,487 : x
  2. Step 2: Convert to fraction form
    13,101,261.72/19,651,892.58 = 5,117,487/x
  3. Step 3: Cross multiply
    13,101,261.72x = 19,651,892.58 × 5,117,487
  4. Step 4: Simplify right side
    13,101,261.72x = 100,568,304,803,546.45
  5. Step 5: Solve for x
    x = 100,568,304,803,546.45/13,101,261.72
  6. Step 6: Final answer
    x = 7,676,230.50

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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.