Home / 13,063,464.82-18,028,196.76-7,262,343.51

Finding the Fourth Proportional to 13,063,464.82, 18,028,196.76 and 7,262,343.51

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Solution

The fourth proportional to 13,063,464.82, 18,028,196.76 and 7,262,343.51 is: 10,022,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063,464.82 : 18,028,196.76 = 7,262,343.51 : x
  2. Step 2: Convert to fraction form
    13,063,464.82/18,028,196.76 = 7,262,343.51/x
  3. Step 3: Cross multiply
    13,063,464.82x = 18,028,196.76 × 7,262,343.51
  4. Step 4: Simplify right side
    13,063,464.82x = 130,926,957,736,989.03
  5. Step 5: Solve for x
    x = 130,926,957,736,989.03/13,063,464.82
  6. Step 6: Final answer
    x = 10,022,376.11

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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.