Finding the Fourth Proportional to 14,078,413.98, 21,120,731.37 and 5,102,732.70
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Solution
The fourth proportional to 14,078,413.98, 21,120,731.37 and 5,102,732.70 is: 7,655,226.42
Step by Step Solution
- Step 1: Write the proportion equation
14,078,413.98 : 21,120,731.37 = 5,102,732.70 : x - Step 2: Convert to fraction form
14,078,413.98/21,120,731.37 = 5,102,732.70/x - Step 3: Cross multiply
14,078,413.98x = 21,120,731.37 × 5,102,732.70 - Step 4: Simplify right side
14,078,413.98x = 107,773,446,609,614.81 - Step 5: Solve for x
x = 107,773,446,609,614.81/14,078,413.98 - Step 6: Final answer
x = 7,655,226.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.