Finding the Fourth Proportional to 49,620,612.40, 74,375,622.60 and 19,318,404.40
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Solution
The fourth proportional to 49,620,612.40, 74,375,622.60 and 19,318,404.40 is: 28,956,078.64
Step by Step Solution
- Step 1: Write the proportion equation
49,620,612.40 : 74,375,622.60 = 19,318,404.40 : x - Step 2: Convert to fraction form
49,620,612.40/74,375,622.60 = 19,318,404.40/x - Step 3: Cross multiply
49,620,612.40x = 74,375,622.60 × 19,318,404.40 - Step 4: Simplify right side
49,620,612.40x = 1,436,818,354,888,579.25 - Step 5: Solve for x
x = 1,436,818,354,888,579.25/49,620,612.40 - Step 6: Final answer
x = 28,956,078.64
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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.