Home / 20,903,284.80-31,354,927.20-5,550,544.80

Finding the Fourth Proportional to 20,903,284.80, 31,354,927.20 and 5,550,544.80

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Solution

The fourth proportional to 20,903,284.80, 31,354,927.20 and 5,550,544.80 is: 8,325,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,284.80 : 31,354,927.20 = 5,550,544.80 : x
  2. Step 2: Convert to fraction form
    20,903,284.80/31,354,927.20 = 5,550,544.80/x
  3. Step 3: Cross multiply
    20,903,284.80x = 31,354,927.20 × 5,550,544.80
  4. Step 4: Simplify right side
    20,903,284.80x = 174,036,928,124,338.56
  5. Step 5: Solve for x
    x = 174,036,928,124,338.56/20,903,284.80
  6. Step 6: Final answer
    x = 8,325,817.20

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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.