Home / 27,929,760.84-38,548,406.06-18,493,908.90

Finding the Fourth Proportional to 27,929,760.84, 38,548,406.06 and 18,493,908.90

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Solution

The fourth proportional to 27,929,760.84, 38,548,406.06 and 18,493,908.90 is: 25,525,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929,760.84 : 38,548,406.06 = 18,493,908.90 : x
  2. Step 2: Convert to fraction form
    27,929,760.84/38,548,406.06 = 18,493,908.90/x
  3. Step 3: Cross multiply
    27,929,760.84x = 38,548,406.06 × 18,493,908.90
  4. Step 4: Simplify right side
    27,929,760.84x = 712,910,709,913,847.88
  5. Step 5: Solve for x
    x = 712,910,709,913,847.88/27,929,760.84
  6. Step 6: Final answer
    x = 25,525,127.62

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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.