Home / 13,941,796.30-19,241,178.06-8,438,199.91

Finding the Fourth Proportional to 13,941,796.30, 19,241,178.06 and 8,438,199.91

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Solution

The fourth proportional to 13,941,796.30, 19,241,178.06 and 8,438,199.91 is: 11,645,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,796.30 : 19,241,178.06 = 8,438,199.91 : x
  2. Step 2: Convert to fraction form
    13,941,796.30/19,241,178.06 = 8,438,199.91/x
  3. Step 3: Cross multiply
    13,941,796.30x = 19,241,178.06 × 8,438,199.91
  4. Step 4: Simplify right side
    13,941,796.30x = 162,360,906,974,185.97
  5. Step 5: Solve for x
    x = 162,360,906,974,185.97/13,941,796.30
  6. Step 6: Final answer
    x = 11,645,623.24

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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.