Home / 12,528,069.80-18,792,104.70-6,481,452.20

Finding the Fourth Proportional to 12,528,069.80, 18,792,104.70 and 6,481,452.20

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Solution

The fourth proportional to 12,528,069.80, 18,792,104.70 and 6,481,452.20 is: 9,722,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,069.80 : 18,792,104.70 = 6,481,452.20 : x
  2. Step 2: Convert to fraction form
    12,528,069.80/18,792,104.70 = 6,481,452.20/x
  3. Step 3: Cross multiply
    12,528,069.80x = 18,792,104.70 × 6,481,452.20
  4. Step 4: Simplify right side
    12,528,069.80x = 121,800,128,350,445.34
  5. Step 5: Solve for x
    x = 121,800,128,350,445.34/12,528,069.80
  6. Step 6: Final answer
    x = 9,722,178.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.