Home / 18,621,322.23-27,913,867.70-8,903,409.60

Finding the Fourth Proportional to 18,621,322.23, 27,913,867.70 and 8,903,409.60

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Solution

The fourth proportional to 18,621,322.23, 27,913,867.70 and 8,903,409.60 is: 13,346,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,322.23 : 27,913,867.70 = 8,903,409.60 : x
  2. Step 2: Convert to fraction form
    18,621,322.23/27,913,867.70 = 8,903,409.60/x
  3. Step 3: Cross multiply
    18,621,322.23x = 27,913,867.70 × 8,903,409.60
  4. Step 4: Simplify right side
    18,621,322.23x = 248,528,597,608,792.88
  5. Step 5: Solve for x
    x = 248,528,597,608,792.88/18,621,322.23
  6. Step 6: Final answer
    x = 13,346,452.77

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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.