Finding the Fourth Proportional to 7,814,448.95, 11,715,413.58 and 3,713,711.87
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Solution
The fourth proportional to 7,814,448.95, 11,715,413.58 and 3,713,711.87 is: 5,567,592.89
Step by Step Solution
- Step 1: Write the proportion equation
7,814,448.95 : 11,715,413.58 = 3,713,711.87 : x - Step 2: Convert to fraction form
7,814,448.95/11,715,413.58 = 3,713,711.87/x - Step 3: Cross multiply
7,814,448.95x = 11,715,413.58 × 3,713,711.87 - Step 4: Simplify right side
7,814,448.95x = 43,507,670,415,428.13 - Step 5: Solve for x
x = 43,507,670,415,428.13/7,814,448.95 - Step 6: Final answer
x = 5,567,592.89
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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.