Finding the Fourth Proportional to 10,505,671.68, 15,758,665.20 and 2,932,677.12
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Solution
The fourth proportional to 10,505,671.68, 15,758,665.20 and 2,932,677.12 is: 4,399,059.70
Step by Step Solution
- Step 1: Write the proportion equation
10,505,671.68 : 15,758,665.20 = 2,932,677.12 : x - Step 2: Convert to fraction form
10,505,671.68/15,758,665.20 = 2,932,677.12/x - Step 3: Cross multiply
10,505,671.68x = 15,758,665.20 × 2,932,677.12 - Step 4: Simplify right side
10,505,671.68x = 46,215,076,873,780.23 - Step 5: Solve for x
x = 46,215,076,873,780.23/10,505,671.68 - Step 6: Final answer
x = 4,399,059.70
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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.