Home / 20,509,936.36-30,762,554.46-5,365,329.64

Finding the Fourth Proportional to 20,509,936.36, 30,762,554.46 and 5,365,329.64

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Solution

The fourth proportional to 20,509,936.36, 30,762,554.46 and 5,365,329.64 is: 8,047,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,936.36 : 30,762,554.46 = 5,365,329.64 : x
  2. Step 2: Convert to fraction form
    20,509,936.36/30,762,554.46 = 5,365,329.64/x
  3. Step 3: Cross multiply
    20,509,936.36x = 30,762,554.46 × 5,365,329.64
  4. Step 4: Simplify right side
    20,509,936.36x = 165,051,245,246,352.19
  5. Step 5: Solve for x
    x = 165,051,245,246,352.19/20,509,936.36
  6. Step 6: Final answer
    x = 8,047,379.69

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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.