Home / 13,886,144.81-19,162,665.82-7,774,792.01

Finding the Fourth Proportional to 13,886,144.81, 19,162,665.82 and 7,774,792.01

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Solution

The fourth proportional to 13,886,144.81, 19,162,665.82 and 7,774,792.01 is: 10,729,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,144.81 : 19,162,665.82 = 7,774,792.01 : x
  2. Step 2: Convert to fraction form
    13,886,144.81/19,162,665.82 = 7,774,792.01/x
  3. Step 3: Cross multiply
    13,886,144.81x = 19,162,665.82 × 7,774,792.01
  4. Step 4: Simplify right side
    13,886,144.81x = 148,985,741,107,636.09
  5. Step 5: Solve for x
    x = 148,985,741,107,636.09/13,886,144.81
  6. Step 6: Final answer
    x = 10,729,093.15

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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.