Home / 10,261,200.80-15,388,172.40-3,528,048.80

Finding the Fourth Proportional to 10,261,200.80, 15,388,172.40 and 3,528,048.80

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Solution

The fourth proportional to 10,261,200.80, 15,388,172.40 and 3,528,048.80 is: 5,290,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261,200.80 : 15,388,172.40 = 3,528,048.80 : x
  2. Step 2: Convert to fraction form
    10,261,200.80/15,388,172.40 = 3,528,048.80/x
  3. Step 3: Cross multiply
    10,261,200.80x = 15,388,172.40 × 3,528,048.80
  4. Step 4: Simplify right side
    10,261,200.80x = 54,290,223,170,013.12
  5. Step 5: Solve for x
    x = 54,290,223,170,013.12/10,261,200.80
  6. Step 6: Final answer
    x = 5,290,825.53

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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.