Home / 6,739,943.20-10,109,914.80-5,543,216.80

Finding the Fourth Proportional to 6,739,943.20, 10,109,914.80 and 5,543,216.80

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Solution

The fourth proportional to 6,739,943.20, 10,109,914.80 and 5,543,216.80 is: 8,314,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,943.20 : 10,109,914.80 = 5,543,216.80 : x
  2. Step 2: Convert to fraction form
    6,739,943.20/10,109,914.80 = 5,543,216.80/x
  3. Step 3: Cross multiply
    6,739,943.20x = 10,109,914.80 × 5,543,216.80
  4. Step 4: Simplify right side
    6,739,943.20x = 56,041,449,565,928.64
  5. Step 5: Solve for x
    x = 56,041,449,565,928.64/6,739,943.20
  6. Step 6: Final answer
    x = 8,314,825.20

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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.