Finding the Fourth Proportional to 38,331,068.68, 52,896,600.92 and 20,927,413.36
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Solution
The fourth proportional to 38,331,068.68, 52,896,600.92 and 20,927,413.36 is: 28,879,680.92
Step by Step Solution
- Step 1: Write the proportion equation
38,331,068.68 : 52,896,600.92 = 20,927,413.36 : x - Step 2: Convert to fraction form
38,331,068.68/52,896,600.92 = 20,927,413.36/x - Step 3: Cross multiply
38,331,068.68x = 52,896,600.92 × 20,927,413.36 - Step 4: Simplify right side
38,331,068.68x = 1,106,989,032,791,796.25 - Step 5: Solve for x
x = 1,106,989,032,791,796.25/38,331,068.68 - Step 6: Final answer
x = 28,879,680.92
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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.