Home / 21,580,346.37-29,780,530.43-11,790,580.35

Finding the Fourth Proportional to 21,580,346.37, 29,780,530.43 and 11,790,580.35

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Solution

The fourth proportional to 21,580,346.37, 29,780,530.43 and 11,790,580.35 is: 16,270,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,346.37 : 29,780,530.43 = 11,790,580.35 : x
  2. Step 2: Convert to fraction form
    21,580,346.37/29,780,530.43 = 11,790,580.35/x
  3. Step 3: Cross multiply
    21,580,346.37x = 29,780,530.43 × 11,790,580.35
  4. Step 4: Simplify right side
    21,580,346.37x = 351,129,736,751,632.44
  5. Step 5: Solve for x
    x = 351,129,736,751,632.44/21,580,346.37
  6. Step 6: Final answer
    x = 16,270,810.99

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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.