Finding the Fourth Proportional to 9,968,473.80, 14,952,710.70 and 4,929,625.80
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Solution
The fourth proportional to 9,968,473.80, 14,952,710.70 and 4,929,625.80 is: 7,394,438.70
Step by Step Solution
- Step 1: Write the proportion equation
9,968,473.80 : 14,952,710.70 = 4,929,625.80 : x - Step 2: Convert to fraction form
9,968,473.80/14,952,710.70 = 4,929,625.80/x - Step 3: Cross multiply
9,968,473.80x = 14,952,710.70 × 4,929,625.80 - Step 4: Simplify right side
9,968,473.80x = 73,711,268,446,656.05 - Step 5: Solve for x
x = 73,711,268,446,656.05/9,968,473.80 - Step 6: Final answer
x = 7,394,438.70
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1.5x scale
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.