Finding the Fourth Proportional to 14,090,621.79, 21,129,270.82 and 5,458,766.07
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Solution
The fourth proportional to 14,090,621.79, 21,129,270.82 and 5,458,766.07 is: 8,185,568.27
Step by Step Solution
- Step 1: Write the proportion equation
14,090,621.79 : 21,129,270.82 = 5,458,766.07 : x - Step 2: Convert to fraction form
14,090,621.79/21,129,270.82 = 5,458,766.07/x - Step 3: Cross multiply
14,090,621.79x = 21,129,270.82 × 5,458,766.07 - Step 4: Simplify right side
14,090,621.79x = 115,339,746,636,057.08 - Step 5: Solve for x
x = 115,339,746,636,057.08/14,090,621.79 - Step 6: Final answer
x = 8,185,568.27
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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.