Home / 28,621,282.41-42,907,012.25-18,389,050.25

Finding the Fourth Proportional to 28,621,282.41, 42,907,012.25 and 18,389,050.25

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Solution

The fourth proportional to 28,621,282.41, 42,907,012.25 and 18,389,050.25 is: 27,567,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,621,282.41 : 42,907,012.25 = 18,389,050.25 : x
  2. Step 2: Convert to fraction form
    28,621,282.41/42,907,012.25 = 18,389,050.25/x
  3. Step 3: Cross multiply
    28,621,282.41x = 42,907,012.25 × 18,389,050.25
  4. Step 4: Simplify right side
    28,621,282.41x = 789,019,204,036,135.25
  5. Step 5: Solve for x
    x = 789,019,204,036,135.25/28,621,282.41
  6. Step 6: Final answer
    x = 27,567,569.92

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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.