Home / 13,217,577.45-19,821,876.13-4,579,661.92

Finding the Fourth Proportional to 13,217,577.45, 19,821,876.13 and 4,579,661.92

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Solution

The fourth proportional to 13,217,577.45, 19,821,876.13 and 4,579,661.92 is: 6,867,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,577.45 : 19,821,876.13 = 4,579,661.92 : x
  2. Step 2: Convert to fraction form
    13,217,577.45/19,821,876.13 = 4,579,661.92/x
  3. Step 3: Cross multiply
    13,217,577.45x = 19,821,876.13 × 4,579,661.92
  4. Step 4: Simplify right side
    13,217,577.45x = 90,777,491,275,975.86
  5. Step 5: Solve for x
    x = 90,777,491,275,975.86/13,217,577.45
  6. Step 6: Final answer
    x = 6,867,937.15

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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.