Home / 12,731,317.12-19,096,787.84-3,146,696.64

Finding the Fourth Proportional to 12,731,317.12, 19,096,787.84 and 3,146,696.64

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Solution

The fourth proportional to 12,731,317.12, 19,096,787.84 and 3,146,696.64 is: 4,719,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,317.12 : 19,096,787.84 = 3,146,696.64 : x
  2. Step 2: Convert to fraction form
    12,731,317.12/19,096,787.84 = 3,146,696.64/x
  3. Step 3: Cross multiply
    12,731,317.12x = 19,096,787.84 × 3,146,696.64
  4. Step 4: Simplify right side
    12,731,317.12x = 60,091,798,130,920.86
  5. Step 5: Solve for x
    x = 60,091,798,130,920.86/12,731,317.12
  6. Step 6: Final answer
    x = 4,719,998.53

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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.