Home / 18,615,272.40-27,922,908.60-12,946,568.40

Finding the Fourth Proportional to 18,615,272.40, 27,922,908.60 and 12,946,568.40

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Solution

The fourth proportional to 18,615,272.40, 27,922,908.60 and 12,946,568.40 is: 19,419,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615,272.40 : 27,922,908.60 = 12,946,568.40 : x
  2. Step 2: Convert to fraction form
    18,615,272.40/27,922,908.60 = 12,946,568.40/x
  3. Step 3: Cross multiply
    18,615,272.40x = 27,922,908.60 × 12,946,568.40
  4. Step 4: Simplify right side
    18,615,272.40x = 361,505,846,116,848.25
  5. Step 5: Solve for x
    x = 361,505,846,116,848.25/18,615,272.40
  6. Step 6: Final answer
    x = 19,419,852.60

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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.