Finding the Fourth Proportional to 35,419,687.75, 48,878,639.17 and 19,951,276.87
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Solution
The fourth proportional to 35,419,687.75, 48,878,639.17 and 19,951,276.87 is: 27,532,463.58
Step by Step Solution
- Step 1: Write the proportion equation
35,419,687.75 : 48,878,639.17 = 19,951,276.87 : x - Step 2: Convert to fraction form
35,419,687.75/48,878,639.17 = 19,951,276.87/x - Step 3: Cross multiply
35,419,687.75x = 48,878,639.17 × 19,951,276.87 - Step 4: Simplify right side
35,419,687.75x = 975,191,263,109,497.12 - Step 5: Solve for x
x = 975,191,263,109,497.12/35,419,687.75 - Step 6: Final answer
x = 27,532,463.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.