Home / 13,719,007.56-18,932,986.26-7,607,304.84

Finding the Fourth Proportional to 13,719,007.56, 18,932,986.26 and 7,607,304.84

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Solution

The fourth proportional to 13,719,007.56, 18,932,986.26 and 7,607,304.84 is: 10,498,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,007.56 : 18,932,986.26 = 7,607,304.84 : x
  2. Step 2: Convert to fraction form
    13,719,007.56/18,932,986.26 = 7,607,304.84/x
  3. Step 3: Cross multiply
    13,719,007.56x = 18,932,986.26 × 7,607,304.84
  4. Step 4: Simplify right side
    13,719,007.56x = 144,028,998,011,351.50
  5. Step 5: Solve for x
    x = 144,028,998,011,351.50/13,719,007.56
  6. Step 6: Final answer
    x = 10,498,499.79

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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.