Finding the Fourth Proportional to 16,345,213.75, 22,556,394.98 and 9,473,681.62
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Solution
The fourth proportional to 16,345,213.75, 22,556,394.98 and 9,473,681.62 is: 13,073,680.64
Step by Step Solution
- Step 1: Write the proportion equation
16,345,213.75 : 22,556,394.98 = 9,473,681.62 : x - Step 2: Convert to fraction form
16,345,213.75/22,556,394.98 = 9,473,681.62/x - Step 3: Cross multiply
16,345,213.75x = 22,556,394.98 × 9,473,681.62 - Step 4: Simplify right side
16,345,213.75x = 213,692,104,535,486.25 - Step 5: Solve for x
x = 213,692,104,535,486.25/16,345,213.75 - Step 6: Final answer
x = 13,073,680.64
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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.