Home / 13,485,203.68-20,223,589.20-4,507,656.16

Finding the Fourth Proportional to 13,485,203.68, 20,223,589.20 and 4,507,656.16

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Solution

The fourth proportional to 13,485,203.68, 20,223,589.20 and 4,507,656.16 is: 6,760,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,203.68 : 20,223,589.20 = 4,507,656.16 : x
  2. Step 2: Convert to fraction form
    13,485,203.68/20,223,589.20 = 4,507,656.16/x
  3. Step 3: Cross multiply
    13,485,203.68x = 20,223,589.20 × 4,507,656.16
  4. Step 4: Simplify right side
    13,485,203.68x = 91,160,986,434,689.47
  5. Step 5: Solve for x
    x = 91,160,986,434,689.47/13,485,203.68
  6. Step 6: Final answer
    x = 6,760,074.86

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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.