Home / 15,504,245.46-21,395,858.80-8,630,351.36

Finding the Fourth Proportional to 15,504,245.46, 21,395,858.80 and 8,630,351.36

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Solution

The fourth proportional to 15,504,245.46, 21,395,858.80 and 8,630,351.36 is: 11,909,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,245.46 : 21,395,858.80 = 8,630,351.36 : x
  2. Step 2: Convert to fraction form
    15,504,245.46/21,395,858.80 = 8,630,351.36/x
  3. Step 3: Cross multiply
    15,504,245.46x = 21,395,858.80 × 8,630,351.36
  4. Step 4: Simplify right side
    15,504,245.46x = 184,653,779,092,947.97
  5. Step 5: Solve for x
    x = 184,653,779,092,947.97/15,504,245.46
  6. Step 6: Final answer
    x = 11,909,884.91

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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.