Home / 9,965,195.20-13,751,969.25-5,381,516.17

Finding the Fourth Proportional to 9,965,195.20, 13,751,969.25 and 5,381,516.17

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Solution

The fourth proportional to 9,965,195.20, 13,751,969.25 and 5,381,516.17 is: 7,426,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,195.20 : 13,751,969.25 = 5,381,516.17 : x
  2. Step 2: Convert to fraction form
    9,965,195.20/13,751,969.25 = 5,381,516.17/x
  3. Step 3: Cross multiply
    9,965,195.20x = 13,751,969.25 × 5,381,516.17
  4. Step 4: Simplify right side
    9,965,195.20x = 74,006,444,888,217.77
  5. Step 5: Solve for x
    x = 74,006,444,888,217.77/9,965,195.20
  6. Step 6: Final answer
    x = 7,426,492.25

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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.