Finding the Fourth Proportional to 12,847,413.94, 19,276,164.74 and 5,653,901.79
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Solution
The fourth proportional to 12,847,413.94, 19,276,164.74 and 5,653,901.79 is: 8,483,072.38
Step by Step Solution
- Step 1: Write the proportion equation
12,847,413.94 : 19,276,164.74 = 5,653,901.79 : x - Step 2: Convert to fraction form
12,847,413.94/19,276,164.74 = 5,653,901.79/x - Step 3: Cross multiply
12,847,413.94x = 19,276,164.74 × 5,653,901.79 - Step 4: Simplify right side
12,847,413.94x = 108,985,542,341,955.64 - Step 5: Solve for x
x = 108,985,542,341,955.64/12,847,413.94 - Step 6: Final answer
x = 8,483,072.38
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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.