Home / 7,100,821.67-9,796,740.44-4,042,870.79

Finding the Fourth Proportional to 7,100,821.67, 9,796,740.44 and 4,042,870.79

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Solution

The fourth proportional to 7,100,821.67, 9,796,740.44 and 4,042,870.79 is: 5,577,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,821.67 : 9,796,740.44 = 4,042,870.79 : x
  2. Step 2: Convert to fraction form
    7,100,821.67/9,796,740.44 = 4,042,870.79/x
  3. Step 3: Cross multiply
    7,100,821.67x = 9,796,740.44 × 4,042,870.79
  4. Step 4: Simplify right side
    7,100,821.67x = 39,606,955,692,889.70
  5. Step 5: Solve for x
    x = 39,606,955,692,889.70/7,100,821.67
  6. Step 6: Final answer
    x = 5,577,798.96

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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.