Finding the Fourth Proportional to 9,677,550.36, 13,348,220.19 and 6,368,790.42
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Solution
The fourth proportional to 9,677,550.36, 13,348,220.19 and 6,368,790.42 is: 8,784,456.16
Step by Step Solution
- Step 1: Write the proportion equation
9,677,550.36 : 13,348,220.19 = 6,368,790.42 : x - Step 2: Convert to fraction form
9,677,550.36/13,348,220.19 = 6,368,790.42/x - Step 3: Cross multiply
9,677,550.36x = 13,348,220.19 × 6,368,790.42 - Step 4: Simplify right side
9,677,550.36x = 85,012,016,870,122.58 - Step 5: Solve for x
x = 85,012,016,870,122.58/9,677,550.36 - Step 6: Final answer
x = 8,784,456.16
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1.5x scale
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.