Home / 19,043,049.28-26,297,343.60-13,257,650.32

Finding the Fourth Proportional to 19,043,049.28, 26,297,343.60 and 13,257,650.32

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Solution

The fourth proportional to 19,043,049.28, 26,297,343.60 and 13,257,650.32 is: 18,308,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,049.28 : 26,297,343.60 = 13,257,650.32 : x
  2. Step 2: Convert to fraction form
    19,043,049.28/26,297,343.60 = 13,257,650.32/x
  3. Step 3: Cross multiply
    19,043,049.28x = 26,297,343.60 × 13,257,650.32
  4. Step 4: Simplify right side
    19,043,049.28x = 348,640,985,793,690
  5. Step 5: Solve for x
    x = 348,640,985,793,690/19,043,049.28
  6. Step 6: Final answer
    x = 18,308,044.09

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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.