Finding the Fourth Proportional to 16,128,520.20, 24,164,786.70 and 15,120,750.60
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Solution
The fourth proportional to 16,128,520.20, 24,164,786.70 and 15,120,750.60 is: 22,654,881.44
Step by Step Solution
- Step 1: Write the proportion equation
16,128,520.20 : 24,164,786.70 = 15,120,750.60 : x - Step 2: Convert to fraction form
16,128,520.20/24,164,786.70 = 15,120,750.60/x - Step 3: Cross multiply
16,128,520.20x = 24,164,786.70 × 15,120,750.60 - Step 4: Simplify right side
16,128,520.20x = 365,389,712,992,897 - Step 5: Solve for x
x = 365,389,712,992,897/16,128,520.20 - Step 6: Final answer
x = 22,654,881.44
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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.