Finding the Fourth Proportional to 7,968,534.99, 11,890,653.67 and 7,109,702.83
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Solution
The fourth proportional to 7,968,534.99, 11,890,653.67 and 7,109,702.83 is: 10,609,103.70
Step by Step Solution
- Step 1: Write the proportion equation
7,968,534.99 : 11,890,653.67 = 7,109,702.83 : x - Step 2: Convert to fraction form
7,968,534.99/11,890,653.67 = 7,109,702.83/x - Step 3: Cross multiply
7,968,534.99x = 11,890,653.67 × 7,109,702.83 - Step 4: Simplify right side
7,968,534.99x = 84,539,014,048,148.89 - Step 5: Solve for x
x = 84,539,014,048,148.89/7,968,534.99 - Step 6: Final answer
x = 10,609,103.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.