Home / 20,661,848.10-30,992,772.15-11,703,896.10

Finding the Fourth Proportional to 20,661,848.10, 30,992,772.15 and 11,703,896.10

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Solution

The fourth proportional to 20,661,848.10, 30,992,772.15 and 11,703,896.10 is: 17,555,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,848.10 : 30,992,772.15 = 11,703,896.10 : x
  2. Step 2: Convert to fraction form
    20,661,848.10/30,992,772.15 = 11,703,896.10/x
  3. Step 3: Cross multiply
    20,661,848.10x = 30,992,772.15 × 11,703,896.10
  4. Step 4: Simplify right side
    20,661,848.10x = 362,736,185,094,573.56
  5. Step 5: Solve for x
    x = 362,736,185,094,573.56/20,661,848.10
  6. Step 6: Final answer
    x = 17,555,844.15

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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.