Home / 13,739,950.56-18,960,254.64-7,628,377.44

Finding the Fourth Proportional to 13,739,950.56, 18,960,254.64 and 7,628,377.44

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Solution

The fourth proportional to 13,739,950.56, 18,960,254.64 and 7,628,377.44 is: 10,526,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,950.56 : 18,960,254.64 = 7,628,377.44 : x
  2. Step 2: Convert to fraction form
    13,739,950.56/18,960,254.64 = 7,628,377.44/x
  3. Step 3: Cross multiply
    13,739,950.56x = 18,960,254.64 × 7,628,377.44
  4. Step 4: Simplify right side
    13,739,950.56x = 144,635,978,752,431.34
  5. Step 5: Solve for x
    x = 144,635,978,752,431.34/13,739,950.56
  6. Step 6: Final answer
    x = 10,526,673.89

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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.