Home / 18,303,172.26-25,258,212.09-10,043,077.38

Finding the Fourth Proportional to 18,303,172.26, 25,258,212.09 and 10,043,077.38

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Solution

The fourth proportional to 18,303,172.26, 25,258,212.09 and 10,043,077.38 is: 13,859,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,172.26 : 25,258,212.09 = 10,043,077.38 : x
  2. Step 2: Convert to fraction form
    18,303,172.26/25,258,212.09 = 10,043,077.38/x
  3. Step 3: Cross multiply
    18,303,172.26x = 25,258,212.09 × 10,043,077.38
  4. Step 4: Simplify right side
    18,303,172.26x = 253,670,178,500,321.53
  5. Step 5: Solve for x
    x = 253,670,178,500,321.53/18,303,172.26
  6. Step 6: Final answer
    x = 13,859,355.90

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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.