Finding the Fourth Proportional to 20,929,349.60, 31,393,954.04 and 5,367,160.94
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Solution
The fourth proportional to 20,929,349.60, 31,393,954.04 and 5,367,160.94 is: 8,050,723.37
Step by Step Solution
- Step 1: Write the proportion equation
20,929,349.60 : 31,393,954.04 = 5,367,160.94 : x - Step 2: Convert to fraction form
20,929,349.60/31,393,954.04 = 5,367,160.94/x - Step 3: Cross multiply
20,929,349.60x = 31,393,954.04 × 5,367,160.94 - Step 4: Simplify right side
20,929,349.60x = 168,496,403,875,643.22 - Step 5: Solve for x
x = 168,496,403,875,643.22/20,929,349.60 - Step 6: Final answer
x = 8,050,723.37
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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.