Home / 12,019,986.90-18,030,012.75-3,500,532.18

Finding the Fourth Proportional to 12,019,986.90, 18,030,012.75 and 3,500,532.18

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Solution

The fourth proportional to 12,019,986.90, 18,030,012.75 and 3,500,532.18 is: 5,250,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,986.90 : 18,030,012.75 = 3,500,532.18 : x
  2. Step 2: Convert to fraction form
    12,019,986.90/18,030,012.75 = 3,500,532.18/x
  3. Step 3: Cross multiply
    12,019,986.90x = 18,030,012.75 × 3,500,532.18
  4. Step 4: Simplify right side
    12,019,986.90x = 63,114,639,837,185.30
  5. Step 5: Solve for x
    x = 63,114,639,837,185.30/12,019,986.90
  6. Step 6: Final answer
    x = 5,250,807.71

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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.