Home / 18,303,961.36-25,271,299.28-11,342,026.72

Finding the Fourth Proportional to 18,303,961.36, 25,271,299.28 and 11,342,026.72

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Solution

The fourth proportional to 18,303,961.36, 25,271,299.28 and 11,342,026.72 is: 15,659,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,961.36 : 25,271,299.28 = 11,342,026.72 : x
  2. Step 2: Convert to fraction form
    18,303,961.36/25,271,299.28 = 11,342,026.72/x
  3. Step 3: Cross multiply
    18,303,961.36x = 25,271,299.28 × 11,342,026.72
  4. Step 4: Simplify right side
    18,303,961.36x = 286,627,751,682,876.81
  5. Step 5: Solve for x
    x = 286,627,751,682,876.81/18,303,961.36
  6. Step 6: Final answer
    x = 15,659,328.93

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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.