Home / 18,716,120.82-25,829,458.80-10,456,227.54

Finding the Fourth Proportional to 18,716,120.82, 25,829,458.80 and 10,456,227.54

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Solution

The fourth proportional to 18,716,120.82, 25,829,458.80 and 10,456,227.54 is: 14,430,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,120.82 : 25,829,458.80 = 10,456,227.54 : x
  2. Step 2: Convert to fraction form
    18,716,120.82/25,829,458.80 = 10,456,227.54/x
  3. Step 3: Cross multiply
    18,716,120.82x = 25,829,458.80 × 10,456,227.54
  4. Step 4: Simplify right side
    18,716,120.82x = 270,078,698,447,855.34
  5. Step 5: Solve for x
    x = 270,078,698,447,855.34/18,716,120.82
  6. Step 6: Final answer
    x = 14,430,271.16

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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.