Home / 13,361,589.36-20,032,569-4,258,448.64

Finding the Fourth Proportional to 13,361,589.36, 20,032,569 and 4,258,448.64

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Solution

The fourth proportional to 13,361,589.36, 20,032,569 and 4,258,448.64 is: 6,384,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,589.36 : 20,032,569 = 4,258,448.64 : x
  2. Step 2: Convert to fraction form
    13,361,589.36/20,032,569 = 4,258,448.64/x
  3. Step 3: Cross multiply
    13,361,589.36x = 20,032,569 × 4,258,448.64
  4. Step 4: Simplify right side
    13,361,589.36x = 85,307,666,213,756.16
  5. Step 5: Solve for x
    x = 85,307,666,213,756.16/13,361,589.36
  6. Step 6: Final answer
    x = 6,384,544.83

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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.