Finding the Fourth Proportional to 6,973,778.98, 9,626,425.58 and 5,236,467.08
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Solution
The fourth proportional to 6,973,778.98, 9,626,425.58 and 5,236,467.08 is: 7,228,284.81
Step by Step Solution
- Step 1: Write the proportion equation
6,973,778.98 : 9,626,425.58 = 5,236,467.08 : x - Step 2: Convert to fraction form
6,973,778.98/9,626,425.58 = 5,236,467.08/x - Step 3: Cross multiply
6,973,778.98x = 9,626,425.58 × 5,236,467.08 - Step 4: Simplify right side
6,973,778.98x = 50,408,460,621,557.57 - Step 5: Solve for x
x = 50,408,460,621,557.57/6,973,778.98 - Step 6: Final answer
x = 7,228,284.81
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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.