Finding the Fourth Proportional to 16,112,901.48, 22,236,262.40 and 8,771,208.08
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Solution
The fourth proportional to 16,112,901.48, 22,236,262.40 and 8,771,208.08 is: 12,104,516.66
Step by Step Solution
- Step 1: Write the proportion equation
16,112,901.48 : 22,236,262.40 = 8,771,208.08 : x - Step 2: Convert to fraction form
16,112,901.48/22,236,262.40 = 8,771,208.08/x - Step 3: Cross multiply
16,112,901.48x = 22,236,262.40 × 8,771,208.08 - Step 4: Simplify right side
16,112,901.48x = 195,038,884,431,880.19 - Step 5: Solve for x
x = 195,038,884,431,880.19/16,112,901.48 - Step 6: Final answer
x = 12,104,516.66
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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.