Home / 20,615,301.54-30,896,052.21-11,517,031.62

Finding the Fourth Proportional to 20,615,301.54, 30,896,052.21 and 11,517,031.62

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Solution

The fourth proportional to 20,615,301.54, 30,896,052.21 and 11,517,031.62 is: 17,260,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,301.54 : 30,896,052.21 = 11,517,031.62 : x
  2. Step 2: Convert to fraction form
    20,615,301.54/30,896,052.21 = 11,517,031.62/x
  3. Step 3: Cross multiply
    20,615,301.54x = 30,896,052.21 × 11,517,031.62
  4. Step 4: Simplify right side
    20,615,301.54x = 355,830,810,235,740.88
  5. Step 5: Solve for x
    x = 355,830,810,235,740.88/20,615,301.54
  6. Step 6: Final answer
    x = 17,260,519.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.