Home / 7,858,693.33-10,839,150.91-6,939,300.40

Finding the Fourth Proportional to 7,858,693.33, 10,839,150.91 and 6,939,300.40

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Solution

The fourth proportional to 7,858,693.33, 10,839,150.91 and 6,939,300.40 is: 9,571,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,693.33 : 10,839,150.91 = 6,939,300.40 : x
  2. Step 2: Convert to fraction form
    7,858,693.33/10,839,150.91 = 6,939,300.40/x
  3. Step 3: Cross multiply
    7,858,693.33x = 10,839,150.91 × 6,939,300.40
  4. Step 4: Simplify right side
    7,858,693.33x = 75,216,124,245,423.38
  5. Step 5: Solve for x
    x = 75,216,124,245,423.38/7,858,693.33
  6. Step 6: Final answer
    x = 9,571,072.58

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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.