Home / 13,508,737.52-18,642,031-7,313,782.54

Finding the Fourth Proportional to 13,508,737.52, 18,642,031 and 7,313,782.54

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Solution

The fourth proportional to 13,508,737.52, 18,642,031 and 7,313,782.54 is: 10,093,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,737.52 : 18,642,031 = 7,313,782.54 : x
  2. Step 2: Convert to fraction form
    13,508,737.52/18,642,031 = 7,313,782.54/x
  3. Step 3: Cross multiply
    13,508,737.52x = 18,642,031 × 7,313,782.54
  4. Step 4: Simplify right side
    13,508,737.52x = 136,343,760,837,938.73
  5. Step 5: Solve for x
    x = 136,343,760,837,938.73/13,508,737.52
  6. Step 6: Final answer
    x = 10,093,005.41

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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.