Finding the Fourth Proportional to 7,685,280.92, 11,531,908.98 and 3,424,458.14
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Solution
The fourth proportional to 7,685,280.92, 11,531,908.98 and 3,424,458.14 is: 5,138,464.03
Step by Step Solution
- Step 1: Write the proportion equation
7,685,280.92 : 11,531,908.98 = 3,424,458.14 : x - Step 2: Convert to fraction form
7,685,280.92/11,531,908.98 = 3,424,458.14/x - Step 3: Cross multiply
7,685,280.92x = 11,531,908.98 × 3,424,458.14 - Step 4: Simplify right side
7,685,280.92x = 39,490,539,576,300.10 - Step 5: Solve for x
x = 39,490,539,576,300.10/7,685,280.92 - Step 6: Final answer
x = 5,138,464.03
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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.