Home / 14,058,708.32-19,405,142.04-8,179,725.68

Finding the Fourth Proportional to 14,058,708.32, 19,405,142.04 and 8,179,725.68

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Solution

The fourth proportional to 14,058,708.32, 19,405,142.04 and 8,179,725.68 is: 11,290,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058,708.32 : 19,405,142.04 = 8,179,725.68 : x
  2. Step 2: Convert to fraction form
    14,058,708.32/19,405,142.04 = 8,179,725.68/x
  3. Step 3: Cross multiply
    14,058,708.32x = 19,405,142.04 × 8,179,725.68
  4. Step 4: Simplify right side
    14,058,708.32x = 158,728,738,668,635.56
  5. Step 5: Solve for x
    x = 158,728,738,668,635.56/14,058,708.32
  6. Step 6: Final answer
    x = 11,290,421.21

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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.