Finding the Fourth Proportional to 21,560,789.76, 32,330,366.08 and 7,178,791.68
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Solution
The fourth proportional to 21,560,789.76, 32,330,366.08 and 7,178,791.68 is: 10,764,585.42
Step by Step Solution
- Step 1: Write the proportion equation
21,560,789.76 : 32,330,366.08 = 7,178,791.68 : x - Step 2: Convert to fraction form
21,560,789.76/32,330,366.08 = 7,178,791.68/x - Step 3: Cross multiply
21,560,789.76x = 32,330,366.08 × 7,178,791.68 - Step 4: Simplify right side
21,560,789.76x = 232,092,963,026,458.19 - Step 5: Solve for x
x = 232,092,963,026,458.19/21,560,789.76 - Step 6: Final answer
x = 10,764,585.42
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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.