Finding the Fourth Proportional to 7,897,411.60, 11,860,114.20 and 6,104,654.80
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Solution
The fourth proportional to 7,897,411.60, 11,860,114.20 and 6,104,654.80 is: 9,167,801.65
Step by Step Solution
- Step 1: Write the proportion equation
7,897,411.60 : 11,860,114.20 = 6,104,654.80 : x - Step 2: Convert to fraction form
7,897,411.60/11,860,114.20 = 6,104,654.80/x - Step 3: Cross multiply
7,897,411.60x = 11,860,114.20 × 6,104,654.80 - Step 4: Simplify right side
7,897,411.60x = 72,401,903,079,578.16 - Step 5: Solve for x
x = 72,401,903,079,578.16/7,897,411.60 - Step 6: Final answer
x = 9,167,801.65
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1.5x scale
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.