Finding the Fourth Proportional to 30,137,319.60, 41,588,354.40 and 16,386,295.20
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Solution
The fourth proportional to 30,137,319.60, 41,588,354.40 and 16,386,295.20 is: 22,612,463.92
Step by Step Solution
- Step 1: Write the proportion equation
30,137,319.60 : 41,588,354.40 = 16,386,295.20 : x - Step 2: Convert to fraction form
30,137,319.60/41,588,354.40 = 16,386,295.20/x - Step 3: Cross multiply
30,137,319.60x = 41,588,354.40 × 16,386,295.20 - Step 4: Simplify right side
30,137,319.60x = 681,479,052,080,618.88 - Step 5: Solve for x
x = 681,479,052,080,618.88/30,137,319.60 - Step 6: Final answer
x = 22,612,463.92
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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.