Home / 21,844,336.47-30,145,908.39-11,921,762.50

Finding the Fourth Proportional to 21,844,336.47, 30,145,908.39 and 11,921,762.50

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Solution

The fourth proportional to 21,844,336.47, 30,145,908.39 and 11,921,762.50 is: 16,452,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844,336.47 : 30,145,908.39 = 11,921,762.50 : x
  2. Step 2: Convert to fraction form
    21,844,336.47/30,145,908.39 = 11,921,762.50/x
  3. Step 3: Cross multiply
    21,844,336.47x = 30,145,908.39 × 11,921,762.50
  4. Step 4: Simplify right side
    21,844,336.47x = 359,392,360,052,266
  5. Step 5: Solve for x
    x = 359,392,360,052,266/21,844,336.47
  6. Step 6: Final answer
    x = 16,452,427.41

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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.