Home / 13,542,743.67-20,302,157.93-10,362,069.28

Finding the Fourth Proportional to 13,542,743.67, 20,302,157.93 and 10,362,069.28

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Solution

The fourth proportional to 13,542,743.67, 20,302,157.93 and 10,362,069.28 is: 15,533,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,743.67 : 20,302,157.93 = 10,362,069.28 : x
  2. Step 2: Convert to fraction form
    13,542,743.67/20,302,157.93 = 10,362,069.28/x
  3. Step 3: Cross multiply
    13,542,743.67x = 20,302,157.93 × 10,362,069.28
  4. Step 4: Simplify right side
    13,542,743.67x = 210,372,366,977,728.75
  5. Step 5: Solve for x
    x = 210,372,366,977,728.75/13,542,743.67
  6. Step 6: Final answer
    x = 15,533,954.73

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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.