Home / 15,926,886.82-21,980,969.76-9,052,402.24

Finding the Fourth Proportional to 15,926,886.82, 21,980,969.76 and 9,052,402.24

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Solution

The fourth proportional to 15,926,886.82, 21,980,969.76 and 9,052,402.24 is: 12,493,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,886.82 : 21,980,969.76 = 9,052,402.24 : x
  2. Step 2: Convert to fraction form
    15,926,886.82/21,980,969.76 = 9,052,402.24/x
  3. Step 3: Cross multiply
    15,926,886.82x = 21,980,969.76 × 9,052,402.24
  4. Step 4: Simplify right side
    15,926,886.82x = 198,980,579,892,796.28
  5. Step 5: Solve for x
    x = 198,980,579,892,796.28/15,926,886.82
  6. Step 6: Final answer
    x = 12,493,375.64

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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.