Finding the Fourth Proportional to 23,616,115.80, 32,590,869.66 and 13,302,223.80
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Solution
The fourth proportional to 23,616,115.80, 32,590,869.66 and 13,302,223.80 is: 18,357,423.62
Step by Step Solution
- Step 1: Write the proportion equation
23,616,115.80 : 32,590,869.66 = 13,302,223.80 : x - Step 2: Convert to fraction form
23,616,115.80/32,590,869.66 = 13,302,223.80/x - Step 3: Cross multiply
23,616,115.80x = 32,590,869.66 × 13,302,223.80 - Step 4: Simplify right side
23,616,115.80x = 433,531,042,053,949.94 - Step 5: Solve for x
x = 433,531,042,053,949.94/23,616,115.80 - Step 6: Final answer
x = 18,357,423.62
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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.