Home / 19,042,742.28-26,296,919.76-13,257,343.60

Finding the Fourth Proportional to 19,042,742.28, 26,296,919.76 and 13,257,343.60

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Solution

The fourth proportional to 19,042,742.28, 26,296,919.76 and 13,257,343.60 is: 18,307,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042,742.28 : 26,296,919.76 = 13,257,343.60 : x
  2. Step 2: Convert to fraction form
    19,042,742.28/26,296,919.76 = 13,257,343.60/x
  3. Step 3: Cross multiply
    19,042,742.28x = 26,296,919.76 × 13,257,343.60
  4. Step 4: Simplify right side
    19,042,742.28x = 348,627,300,879,949.56
  5. Step 5: Solve for x
    x = 348,627,300,879,949.56/19,042,742.28
  6. Step 6: Final answer
    x = 18,307,620.60

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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.