Home / 13,900,304.85-19,171,047.24-9,783,962.61

Finding the Fourth Proportional to 13,900,304.85, 19,171,047.24 and 9,783,962.61

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Solution

The fourth proportional to 13,900,304.85, 19,171,047.24 and 9,783,962.61 is: 13,493,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,304.85 : 19,171,047.24 = 9,783,962.61 : x
  2. Step 2: Convert to fraction form
    13,900,304.85/19,171,047.24 = 9,783,962.61/x
  3. Step 3: Cross multiply
    13,900,304.85x = 19,171,047.24 × 9,783,962.61
  4. Step 4: Simplify right side
    13,900,304.85x = 187,568,809,390,703.66
  5. Step 5: Solve for x
    x = 187,568,809,390,703.66/13,900,304.85
  6. Step 6: Final answer
    x = 13,493,863.01

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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.