Home / 13,518,621.56-20,203,713.06-9,883,005.01

Finding the Fourth Proportional to 13,518,621.56, 20,203,713.06 and 9,883,005.01

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Solution

The fourth proportional to 13,518,621.56, 20,203,713.06 and 9,883,005.01 is: 14,770,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,621.56 : 20,203,713.06 = 9,883,005.01 : x
  2. Step 2: Convert to fraction form
    13,518,621.56/20,203,713.06 = 9,883,005.01/x
  3. Step 3: Cross multiply
    13,518,621.56x = 20,203,713.06 × 9,883,005.01
  4. Step 4: Simplify right side
    13,518,621.56x = 199,673,397,305,011.88
  5. Step 5: Solve for x
    x = 199,673,397,305,011.88/13,518,621.56
  6. Step 6: Final answer
    x = 14,770,248.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.