Home / 8,431,994.10-12,646,098.18-3,878,669.82

Finding the Fourth Proportional to 8,431,994.10, 12,646,098.18 and 3,878,669.82

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Solution

The fourth proportional to 8,431,994.10, 12,646,098.18 and 3,878,669.82 is: 5,817,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,994.10 : 12,646,098.18 = 3,878,669.82 : x
  2. Step 2: Convert to fraction form
    8,431,994.10/12,646,098.18 = 3,878,669.82/x
  3. Step 3: Cross multiply
    8,431,994.10x = 12,646,098.18 × 3,878,669.82
  4. Step 4: Simplify right side
    8,431,994.10x = 49,050,039,351,522.92
  5. Step 5: Solve for x
    x = 49,050,039,351,522.92/8,431,994.10
  6. Step 6: Final answer
    x = 5,817,133.97

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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.