Finding the Fourth Proportional to 9,677,551.36, 13,348,221.57 and 6,368,791.42
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Solution
The fourth proportional to 9,677,551.36, 13,348,221.57 and 6,368,791.42 is: 8,784,457.54
Step by Step Solution
- Step 1: Write the proportion equation
9,677,551.36 : 13,348,221.57 = 6,368,791.42 : x - Step 2: Convert to fraction form
9,677,551.36/13,348,221.57 = 6,368,791.42/x - Step 3: Cross multiply
9,677,551.36x = 13,348,221.57 × 6,368,791.42 - Step 4: Simplify right side
9,677,551.36x = 85,012,039,007,274.94 - Step 5: Solve for x
x = 85,012,039,007,274.94/9,677,551.36 - Step 6: Final answer
x = 8,784,457.54
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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.