Finding the Fourth Proportional to 26,656,553.60, 39,984,830.40 and 16,578,857.60
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Solution
The fourth proportional to 26,656,553.60, 39,984,830.40 and 16,578,857.60 is: 24,868,286.40
Step by Step Solution
- Step 1: Write the proportion equation
26,656,553.60 : 39,984,830.40 = 16,578,857.60 : x - Step 2: Convert to fraction form
26,656,553.60/39,984,830.40 = 16,578,857.60/x - Step 3: Cross multiply
26,656,553.60x = 39,984,830.40 × 16,578,857.60 - Step 4: Simplify right side
26,656,553.60x = 662,902,809,361,751 - Step 5: Solve for x
x = 662,902,809,361,751/26,656,553.60 - Step 6: Final answer
x = 24,868,286.40
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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.