Home / 7,118,055.45-9,822,795.14-3,854,843.69

Finding the Fourth Proportional to 7,118,055.45, 9,822,795.14 and 3,854,843.69

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Solution

The fourth proportional to 7,118,055.45, 9,822,795.14 and 3,854,843.69 is: 5,319,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,055.45 : 9,822,795.14 = 3,854,843.69 : x
  2. Step 2: Convert to fraction form
    7,118,055.45/9,822,795.14 = 3,854,843.69/x
  3. Step 3: Cross multiply
    7,118,055.45x = 9,822,795.14 × 3,854,843.69
  4. Step 4: Simplify right side
    7,118,055.45x = 37,865,339,824,114.80
  5. Step 5: Solve for x
    x = 37,865,339,824,114.80/7,118,055.45
  6. Step 6: Final answer
    x = 5,319,618.55

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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.