Finding the Fourth Proportional to 10,791,267.30, 16,157,894.88 and 8,220,234.63
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Solution
The fourth proportional to 10,791,267.30, 16,157,894.88 and 8,220,234.63 is: 12,308,256.60
Step by Step Solution
- Step 1: Write the proportion equation
10,791,267.30 : 16,157,894.88 = 8,220,234.63 : x - Step 2: Convert to fraction form
10,791,267.30/16,157,894.88 = 8,220,234.63/x - Step 3: Cross multiply
10,791,267.30x = 16,157,894.88 × 8,220,234.63 - Step 4: Simplify right side
10,791,267.30x = 132,821,686,994,766.70 - Step 5: Solve for x
x = 132,821,686,994,766.70/10,791,267.30 - Step 6: Final answer
x = 12,308,256.60
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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.