Home / 6,739,943.20-10,109,914.80-1,947,788.80

Finding the Fourth Proportional to 6,739,943.20, 10,109,914.80 and 1,947,788.80

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Solution

The fourth proportional to 6,739,943.20, 10,109,914.80 and 1,947,788.80 is: 2,921,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,943.20 : 10,109,914.80 = 1,947,788.80 : x
  2. Step 2: Convert to fraction form
    6,739,943.20/10,109,914.80 = 1,947,788.80/x
  3. Step 3: Cross multiply
    6,739,943.20x = 10,109,914.80 × 1,947,788.80
  4. Step 4: Simplify right side
    6,739,943.20x = 19,691,978,816,394.24
  5. Step 5: Solve for x
    x = 19,691,978,816,394.24/6,739,943.20
  6. Step 6: Final answer
    x = 2,921,683.20

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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.