Finding the Fourth Proportional to 14,913,607.58, 20,580,583.38 and 8,387,235.08
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Solution
The fourth proportional to 14,913,607.58, 20,580,583.38 and 8,387,235.08 is: 11,574,274.70
Step by Step Solution
- Step 1: Write the proportion equation
14,913,607.58 : 20,580,583.38 = 8,387,235.08 : x - Step 2: Convert to fraction form
14,913,607.58/20,580,583.38 = 8,387,235.08/x - Step 3: Cross multiply
14,913,607.58x = 20,580,583.38 × 8,387,235.08 - Step 4: Simplify right side
14,913,607.58x = 172,614,190,891,600.97 - Step 5: Solve for x
x = 172,614,190,891,600.97/14,913,607.58 - Step 6: Final answer
x = 11,574,274.70
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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.