Home / 12,643,086.96-18,956,950.43-4,957,523.73

Finding the Fourth Proportional to 12,643,086.96, 18,956,950.43 and 4,957,523.73

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Solution

The fourth proportional to 12,643,086.96, 18,956,950.43 and 4,957,523.73 is: 7,433,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,086.96 : 18,956,950.43 = 4,957,523.73 : x
  2. Step 2: Convert to fraction form
    12,643,086.96/18,956,950.43 = 4,957,523.73/x
  3. Step 3: Cross multiply
    12,643,086.96x = 18,956,950.43 × 4,957,523.73
  4. Step 4: Simplify right side
    12,643,086.96x = 93,979,531,580,371.09
  5. Step 5: Solve for x
    x = 93,979,531,580,371.09/12,643,086.96
  6. Step 6: Final answer
    x = 7,433,274.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.