Home / 7,100,815.65-9,796,732.16-4,042,864.77

Finding the Fourth Proportional to 7,100,815.65, 9,796,732.16 and 4,042,864.77

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Solution

The fourth proportional to 7,100,815.65, 9,796,732.16 and 4,042,864.77 is: 5,577,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,815.65 : 9,796,732.16 = 4,042,864.77 : x
  2. Step 2: Convert to fraction form
    7,100,815.65/9,796,732.16 = 4,042,864.77/x
  3. Step 3: Cross multiply
    7,100,815.65x = 9,796,732.16 × 4,042,864.77
  4. Step 4: Simplify right side
    7,100,815.65x = 39,606,863,290,575.68
  5. Step 5: Solve for x
    x = 39,606,863,290,575.68/7,100,815.65
  6. Step 6: Final answer
    x = 5,577,790.67

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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.