Home / 28,202,611.92-42,303,918.27-18,615,747.84

Finding the Fourth Proportional to 28,202,611.92, 42,303,918.27 and 18,615,747.84

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Solution

The fourth proportional to 28,202,611.92, 42,303,918.27 and 18,615,747.84 is: 27,923,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,611.92 : 42,303,918.27 = 18,615,747.84 : x
  2. Step 2: Convert to fraction form
    28,202,611.92/42,303,918.27 = 18,615,747.84/x
  3. Step 3: Cross multiply
    28,202,611.92x = 42,303,918.27 × 18,615,747.84
  4. Step 4: Simplify right side
    28,202,611.92x = 787,519,075,158,289.12
  5. Step 5: Solve for x
    x = 787,519,075,158,289.12/28,202,611.92
  6. Step 6: Final answer
    x = 27,923,622.02

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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.