Home / 11,985,638.91-17,991,252.41-5,165,577.87

Finding the Fourth Proportional to 11,985,638.91, 17,991,252.41 and 5,165,577.87

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Solution

The fourth proportional to 11,985,638.91, 17,991,252.41 and 5,165,577.87 is: 7,753,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,638.91 : 17,991,252.41 = 5,165,577.87 : x
  2. Step 2: Convert to fraction form
    11,985,638.91/17,991,252.41 = 5,165,577.87/x
  3. Step 3: Cross multiply
    11,985,638.91x = 17,991,252.41 × 5,165,577.87
  4. Step 4: Simplify right side
    11,985,638.91x = 92,935,215,276,852.28
  5. Step 5: Solve for x
    x = 92,935,215,276,852.28/11,985,638.91
  6. Step 6: Final answer
    x = 7,753,880.79

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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.