Home / 7,338,979.70-11,008,469.55-6,866,587.70

Finding the Fourth Proportional to 7,338,979.70, 11,008,469.55 and 6,866,587.70

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Solution

The fourth proportional to 7,338,979.70, 11,008,469.55 and 6,866,587.70 is: 10,299,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,979.70 : 11,008,469.55 = 6,866,587.70 : x
  2. Step 2: Convert to fraction form
    7,338,979.70/11,008,469.55 = 6,866,587.70/x
  3. Step 3: Cross multiply
    7,338,979.70x = 11,008,469.55 × 6,866,587.70
  4. Step 4: Simplify right side
    7,338,979.70x = 75,590,621,607,854.55
  5. Step 5: Solve for x
    x = 75,590,621,607,854.55/7,338,979.70
  6. Step 6: Final answer
    x = 10,299,881.55

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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.