Finding the Fourth Proportional to 44,465,845.12, 66,705,142.80 and 13,763,120.74
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Solution
The fourth proportional to 44,465,845.12, 66,705,142.80 and 13,763,120.74 is: 20,646,654.34
Step by Step Solution
- Step 1: Write the proportion equation
44,465,845.12 : 66,705,142.80 = 13,763,120.74 : x - Step 2: Convert to fraction form
44,465,845.12/66,705,142.80 = 13,763,120.74/x - Step 3: Cross multiply
44,465,845.12x = 66,705,142.80 × 13,763,120.74 - Step 4: Simplify right side
44,465,845.12x = 918,070,934,335,341.62 - Step 5: Solve for x
x = 918,070,934,335,341.62/44,465,845.12 - Step 6: Final answer
x = 20,646,654.34
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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.