Home / 18,204,220.44-25,120,783.26-10,870,329.24

Finding the Fourth Proportional to 18,204,220.44, 25,120,783.26 and 10,870,329.24

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Solution

The fourth proportional to 18,204,220.44, 25,120,783.26 and 10,870,329.24 is: 15,000,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204,220.44 : 25,120,783.26 = 10,870,329.24 : x
  2. Step 2: Convert to fraction form
    18,204,220.44/25,120,783.26 = 10,870,329.24/x
  3. Step 3: Cross multiply
    18,204,220.44x = 25,120,783.26 × 10,870,329.24
  4. Step 4: Simplify right side
    18,204,220.44x = 273,071,184,802,880.53
  5. Step 5: Solve for x
    x = 273,071,184,802,880.53/18,204,220.44
  6. Step 6: Final answer
    x = 15,000,432.77

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1.5x scale

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.