Home / 7,874,557.39-11,812,821.45-3,081,627.82

Finding the Fourth Proportional to 7,874,557.39, 11,812,821.45 and 3,081,627.82

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Solution

The fourth proportional to 7,874,557.39, 11,812,821.45 and 3,081,627.82 is: 4,622,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,557.39 : 11,812,821.45 = 3,081,627.82 : x
  2. Step 2: Convert to fraction form
    7,874,557.39/11,812,821.45 = 3,081,627.82/x
  3. Step 3: Cross multiply
    7,874,557.39x = 11,812,821.45 × 3,081,627.82
  4. Step 4: Simplify right side
    7,874,557.39x = 36,402,719,213,012.73
  5. Step 5: Solve for x
    x = 36,402,719,213,012.73/7,874,557.39
  6. Step 6: Final answer
    x = 4,622,827.34

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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.