Home / 21,406,318.44-29,540,936.10-11,616,847.17

Finding the Fourth Proportional to 21,406,318.44, 29,540,936.10 and 11,616,847.17

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Solution

The fourth proportional to 21,406,318.44, 29,540,936.10 and 11,616,847.17 is: 16,031,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406,318.44 : 29,540,936.10 = 11,616,847.17 : x
  2. Step 2: Convert to fraction form
    21,406,318.44/29,540,936.10 = 11,616,847.17/x
  3. Step 3: Cross multiply
    21,406,318.44x = 29,540,936.10 × 11,616,847.17
  4. Step 4: Simplify right side
    21,406,318.44x = 343,172,539,932,435.88
  5. Step 5: Solve for x
    x = 343,172,539,932,435.88/21,406,318.44
  6. Step 6: Final answer
    x = 16,031,366.67

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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.