Finding the Fourth Proportional to 16,390,775.60, 24,589,849.80 and 9,655,722.80
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Solution
The fourth proportional to 16,390,775.60, 24,589,849.80 and 9,655,722.80 is: 14,485,755.84
Step by Step Solution
- Step 1: Write the proportion equation
16,390,775.60 : 24,589,849.80 = 9,655,722.80 : x - Step 2: Convert to fraction form
16,390,775.60/24,589,849.80 = 9,655,722.80/x - Step 3: Cross multiply
16,390,775.60x = 24,589,849.80 × 9,655,722.80 - Step 4: Simplify right side
16,390,775.60x = 237,432,773,362,435.47 - Step 5: Solve for x
x = 237,432,773,362,435.47/16,390,775.60 - Step 6: Final answer
x = 14,485,755.84
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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.