Home / 11,605,645.12-16,010,821.72-7,247,164.64

Finding the Fourth Proportional to 11,605,645.12, 16,010,821.72 and 7,247,164.64

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Solution

The fourth proportional to 11,605,645.12, 16,010,821.72 and 7,247,164.64 is: 9,997,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605,645.12 : 16,010,821.72 = 7,247,164.64 : x
  2. Step 2: Convert to fraction form
    11,605,645.12/16,010,821.72 = 7,247,164.64/x
  3. Step 3: Cross multiply
    11,605,645.12x = 16,010,821.72 × 7,247,164.64
  4. Step 4: Simplify right side
    11,605,645.12x = 116,033,061,026,527.98
  5. Step 5: Solve for x
    x = 116,033,061,026,527.98/11,605,645.12
  6. Step 6: Final answer
    x = 9,997,984.59

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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.