Finding the Fourth Proportional to 14,293,458.11, 19,724,957.19 and 7,767,072.05
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Solution
The fourth proportional to 14,293,458.11, 19,724,957.19 and 7,767,072.05 is: 10,718,551.27
Step by Step Solution
- Step 1: Write the proportion equation
14,293,458.11 : 19,724,957.19 = 7,767,072.05 : x - Step 2: Convert to fraction form
14,293,458.11/19,724,957.19 = 7,767,072.05/x - Step 3: Cross multiply
14,293,458.11x = 19,724,957.19 × 7,767,072.05 - Step 4: Simplify right side
14,293,458.11x = 153,205,163,579,270.75 - Step 5: Solve for x
x = 153,205,163,579,270.75/14,293,458.11 - Step 6: Final answer
x = 10,718,551.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.