Finding the Fourth Proportional to 32,371,986.30, 48,557,979.45 and 22,168,319.10
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Solution
The fourth proportional to 32,371,986.30, 48,557,979.45 and 22,168,319.10 is: 33,252,478.65
Step by Step Solution
- Step 1: Write the proportion equation
32,371,986.30 : 48,557,979.45 = 22,168,319.10 : x - Step 2: Convert to fraction form
32,371,986.30/48,557,979.45 = 22,168,319.10/x - Step 3: Cross multiply
32,371,986.30x = 48,557,979.45 × 22,168,319.10 - Step 4: Simplify right side
32,371,986.30x = 1,076,448,783,298,842.62 - Step 5: Solve for x
x = 1,076,448,783,298,842.62/32,371,986.30 - Step 6: Final answer
x = 33,252,478.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.