Home / 20,500,633.40-28,291,464.59-11,333,866.64

Finding the Fourth Proportional to 20,500,633.40, 28,291,464.59 and 11,333,866.64

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Solution

The fourth proportional to 20,500,633.40, 28,291,464.59 and 11,333,866.64 is: 15,641,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,633.40 : 28,291,464.59 = 11,333,866.64 : x
  2. Step 2: Convert to fraction form
    20,500,633.40/28,291,464.59 = 11,333,866.64/x
  3. Step 3: Cross multiply
    20,500,633.40x = 28,291,464.59 × 11,333,866.64
  4. Step 4: Simplify right side
    20,500,633.40x = 320,651,686,515,215.62
  5. Step 5: Solve for x
    x = 320,651,686,515,215.62/20,500,633.40
  6. Step 6: Final answer
    x = 15,641,062.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.