Home / 13,843,839.72-19,104,892.48-7,732,661.88

Finding the Fourth Proportional to 13,843,839.72, 19,104,892.48 and 7,732,661.88

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Solution

The fourth proportional to 13,843,839.72, 19,104,892.48 and 7,732,661.88 is: 10,671,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843,839.72 : 19,104,892.48 = 7,732,661.88 : x
  2. Step 2: Convert to fraction form
    13,843,839.72/19,104,892.48 = 7,732,661.88/x
  3. Step 3: Cross multiply
    13,843,839.72x = 19,104,892.48 × 7,732,661.88
  4. Step 4: Simplify right side
    13,843,839.72x = 147,731,673,801,594.66
  5. Step 5: Solve for x
    x = 147,731,673,801,594.66/13,843,839.72
  6. Step 6: Final answer
    x = 10,671,293.28

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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.