Home / 12,138,709.16-16,751,222.59-6,631,965.48

Finding the Fourth Proportional to 12,138,709.16, 16,751,222.59 and 6,631,965.48

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Solution

The fourth proportional to 12,138,709.16, 16,751,222.59 and 6,631,965.48 is: 9,152,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,709.16 : 16,751,222.59 = 6,631,965.48 : x
  2. Step 2: Convert to fraction form
    12,138,709.16/16,751,222.59 = 6,631,965.48/x
  3. Step 3: Cross multiply
    12,138,709.16x = 16,751,222.59 × 6,631,965.48
  4. Step 4: Simplify right side
    12,138,709.16x = 111,093,529,964,676.20
  5. Step 5: Solve for x
    x = 111,093,529,964,676.20/12,138,709.16
  6. Step 6: Final answer
    x = 9,152,005.25

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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.