Home / 13,382,161.84-18,467,383.32-7,580,943.56

Finding the Fourth Proportional to 13,382,161.84, 18,467,383.32 and 7,580,943.56

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Solution

The fourth proportional to 13,382,161.84, 18,467,383.32 and 7,580,943.56 is: 10,461,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,161.84 : 18,467,383.32 = 7,580,943.56 : x
  2. Step 2: Convert to fraction form
    13,382,161.84/18,467,383.32 = 7,580,943.56/x
  3. Step 3: Cross multiply
    13,382,161.84x = 18,467,383.32 × 7,580,943.56
  4. Step 4: Simplify right side
    13,382,161.84x = 140,000,190,695,973.88
  5. Step 5: Solve for x
    x = 140,000,190,695,973.88/13,382,161.84
  6. Step 6: Final answer
    x = 10,461,702.10

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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.