Home / 20,185,990.88-27,856,311.93-11,483,978.00

Finding the Fourth Proportional to 20,185,990.88, 27,856,311.93 and 11,483,978.00

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Solution

The fourth proportional to 20,185,990.88, 27,856,311.93 and 11,483,978.00 is: 15,847,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,990.88 : 27,856,311.93 = 11,483,978.00 : x
  2. Step 2: Convert to fraction form
    20,185,990.88/27,856,311.93 = 11,483,978.00/x
  3. Step 3: Cross multiply
    20,185,990.88x = 27,856,311.93 × 11,483,978.00
  4. Step 4: Simplify right side
    20,185,990.88x = 319,901,273,225,975.94
  5. Step 5: Solve for x
    x = 319,901,273,225,975.94/20,185,990.88
  6. Step 6: Final answer
    x = 15,847,687.40

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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.