Home / 20,544,043.20-30,816,064.80-9,927,211.20

Finding the Fourth Proportional to 20,544,043.20, 30,816,064.80 and 9,927,211.20

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Solution

The fourth proportional to 20,544,043.20, 30,816,064.80 and 9,927,211.20 is: 14,890,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,043.20 : 30,816,064.80 = 9,927,211.20 : x
  2. Step 2: Convert to fraction form
    20,544,043.20/30,816,064.80 = 9,927,211.20/x
  3. Step 3: Cross multiply
    20,544,043.20x = 30,816,064.80 × 9,927,211.20
  4. Step 4: Simplify right side
    20,544,043.20x = 305,917,583,622,485.75
  5. Step 5: Solve for x
    x = 305,917,583,622,485.75/20,544,043.20
  6. Step 6: Final answer
    x = 14,890,816.80

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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.