Finding the Fourth Proportional to 21,056,135.60, 31,592,497.80 and 8,274,465.20
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Solution
The fourth proportional to 21,056,135.60, 31,592,497.80 and 8,274,465.20 is: 12,414,957.26
Step by Step Solution
- Step 1: Write the proportion equation
21,056,135.60 : 31,592,497.80 = 8,274,465.20 : x - Step 2: Convert to fraction form
21,056,135.60/31,592,497.80 = 8,274,465.20/x - Step 3: Cross multiply
21,056,135.60x = 31,592,497.80 × 8,274,465.20 - Step 4: Simplify right side
21,056,135.60x = 261,411,023,627,176.56 - Step 5: Solve for x
x = 261,411,023,627,176.56/21,056,135.60 - Step 6: Final answer
x = 12,414,957.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.