Home / 13,900,504.32-19,171,321.20-9,784,162.08

Finding the Fourth Proportional to 13,900,504.32, 19,171,321.20 and 9,784,162.08

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Solution

The fourth proportional to 13,900,504.32, 19,171,321.20 and 9,784,162.08 is: 13,494,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,504.32 : 19,171,321.20 = 9,784,162.08 : x
  2. Step 2: Convert to fraction form
    13,900,504.32/19,171,321.20 = 9,784,162.08/x
  3. Step 3: Cross multiply
    13,900,504.32x = 19,171,321.20 × 9,784,162.08
  4. Step 4: Simplify right side
    13,900,504.32x = 187,575,313,908,540.09
  5. Step 5: Solve for x
    x = 187,575,313,908,540.09/13,900,504.32
  6. Step 6: Final answer
    x = 13,494,137.31

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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.