Home / 9,975,669.72-13,766,415.95-5,391,991.09

Finding the Fourth Proportional to 9,975,669.72, 13,766,415.95 and 5,391,991.09

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Solution

The fourth proportional to 9,975,669.72, 13,766,415.95 and 5,391,991.09 is: 7,440,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975,669.72 : 13,766,415.95 = 5,391,991.09 : x
  2. Step 2: Convert to fraction form
    9,975,669.72/13,766,415.95 = 5,391,991.09/x
  3. Step 3: Cross multiply
    9,975,669.72x = 13,766,415.95 × 5,391,991.09
  4. Step 4: Simplify right side
    9,975,669.72x = 74,228,392,174,321.88
  5. Step 5: Solve for x
    x = 74,228,392,174,321.88/9,975,669.72
  6. Step 6: Final answer
    x = 7,440,943.24

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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.