Home / 22,051,731.79-30,431,414.89-12,261,965.78

Finding the Fourth Proportional to 22,051,731.79, 30,431,414.89 and 12,261,965.78

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Solution

The fourth proportional to 22,051,731.79, 30,431,414.89 and 12,261,965.78 is: 16,921,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051,731.79 : 30,431,414.89 = 12,261,965.78 : x
  2. Step 2: Convert to fraction form
    22,051,731.79/30,431,414.89 = 12,261,965.78/x
  3. Step 3: Cross multiply
    22,051,731.79x = 30,431,414.89 × 12,261,965.78
  4. Step 4: Simplify right side
    22,051,731.79x = 373,148,968,018,162.44
  5. Step 5: Solve for x
    x = 373,148,968,018,162.44/22,051,731.79
  6. Step 6: Final answer
    x = 16,921,526.69

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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.