Home / 7,118,495.62-9,823,515.42-3,855,308.38

Finding the Fourth Proportional to 7,118,495.62, 9,823,515.42 and 3,855,308.38

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Solution

The fourth proportional to 7,118,495.62, 9,823,515.42 and 3,855,308.38 is: 5,320,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,495.62 : 9,823,515.42 = 3,855,308.38 : x
  2. Step 2: Convert to fraction form
    7,118,495.62/9,823,515.42 = 3,855,308.38/x
  3. Step 3: Cross multiply
    7,118,495.62x = 9,823,515.42 × 3,855,308.38
  4. Step 4: Simplify right side
    7,118,495.62x = 37,872,681,319,785.22
  5. Step 5: Solve for x
    x = 37,872,681,319,785.22/7,118,495.62
  6. Step 6: Final answer
    x = 5,320,320.94

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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.