Home / 9,041,858.42-12,478,198.03-5,557,349.25

Finding the Fourth Proportional to 9,041,858.42, 12,478,198.03 and 5,557,349.25

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Solution

The fourth proportional to 9,041,858.42, 12,478,198.03 and 5,557,349.25 is: 7,669,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041,858.42 : 12,478,198.03 = 5,557,349.25 : x
  2. Step 2: Convert to fraction form
    9,041,858.42/12,478,198.03 = 5,557,349.25/x
  3. Step 3: Cross multiply
    9,041,858.42x = 12,478,198.03 × 5,557,349.25
  4. Step 4: Simplify right side
    9,041,858.42x = 69,345,704,449,478.60
  5. Step 5: Solve for x
    x = 69,345,704,449,478.60/9,041,858.42
  6. Step 6: Final answer
    x = 7,669,408.35

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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.