Finding the Fourth Proportional to 7,017,355.98, 9,682,920.57 and 3,919,497.62
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Solution
The fourth proportional to 7,017,355.98, 9,682,920.57 and 3,919,497.62 is: 5,408,331.03
Step by Step Solution
- Step 1: Write the proportion equation
7,017,355.98 : 9,682,920.57 = 3,919,497.62 : x - Step 2: Convert to fraction form
7,017,355.98/9,682,920.57 = 3,919,497.62/x - Step 3: Cross multiply
7,017,355.98x = 9,682,920.57 × 3,919,497.62 - Step 4: Simplify right side
7,017,355.98x = 37,952,184,080,349.45 - Step 5: Solve for x
x = 37,952,184,080,349.45/7,017,355.98 - Step 6: Final answer
x = 5,408,331.03
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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.