Home / 10,101,816.56-13,940,277.72-5,518,158.32

Finding the Fourth Proportional to 10,101,816.56, 13,940,277.72 and 5,518,158.32

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Solution

The fourth proportional to 10,101,816.56, 13,940,277.72 and 5,518,158.32 is: 7,614,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101,816.56 : 13,940,277.72 = 5,518,158.32 : x
  2. Step 2: Convert to fraction form
    10,101,816.56/13,940,277.72 = 5,518,158.32/x
  3. Step 3: Cross multiply
    10,101,816.56x = 13,940,277.72 × 5,518,158.32
  4. Step 4: Simplify right side
    10,101,816.56x = 76,924,659,483,728.64
  5. Step 5: Solve for x
    x = 76,924,659,483,728.64/10,101,816.56
  6. Step 6: Final answer
    x = 7,614,933.32

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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.