Home / 6,918,213.60-10,349,326.80-6,078,405.60

Finding the Fourth Proportional to 6,918,213.60, 10,349,326.80 and 6,078,405.60

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Solution

The fourth proportional to 6,918,213.60, 10,349,326.80 and 6,078,405.60 is: 9,093,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,213.60 : 10,349,326.80 = 6,078,405.60 : x
  2. Step 2: Convert to fraction form
    6,918,213.60/10,349,326.80 = 6,078,405.60/x
  3. Step 3: Cross multiply
    6,918,213.60x = 10,349,326.80 × 6,078,405.60
  4. Step 4: Simplify right side
    6,918,213.60x = 62,907,405,977,350.08
  5. Step 5: Solve for x
    x = 62,907,405,977,350.08/6,918,213.60
  6. Step 6: Final answer
    x = 9,093,012.97

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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.