Home / 9,870,209.40-13,620,925.26-5,741,231.16

Finding the Fourth Proportional to 9,870,209.40, 13,620,925.26 and 5,741,231.16

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Solution

The fourth proportional to 9,870,209.40, 13,620,925.26 and 5,741,231.16 is: 7,922,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,209.40 : 13,620,925.26 = 5,741,231.16 : x
  2. Step 2: Convert to fraction form
    9,870,209.40/13,620,925.26 = 5,741,231.16/x
  3. Step 3: Cross multiply
    9,870,209.40x = 13,620,925.26 × 5,741,231.16
  4. Step 4: Simplify right side
    9,870,209.40x = 78,200,880,530,743.11
  5. Step 5: Solve for x
    x = 78,200,880,530,743.11/9,870,209.40
  6. Step 6: Final answer
    x = 7,922,920.11

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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.