Finding the Fourth Proportional to 28,377,413.37, 39,160,830.06 and 15,324,671.91
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Solution
The fourth proportional to 28,377,413.37, 39,160,830.06 and 15,324,671.91 is: 21,148,047.02
Step by Step Solution
- Step 1: Write the proportion equation
28,377,413.37 : 39,160,830.06 = 15,324,671.91 : x - Step 2: Convert to fraction form
28,377,413.37/39,160,830.06 = 15,324,671.91/x - Step 3: Cross multiply
28,377,413.37x = 39,160,830.06 × 15,324,671.91 - Step 4: Simplify right side
28,377,413.37x = 600,126,872,392,765.62 - Step 5: Solve for x
x = 600,126,872,392,765.62/28,377,413.37 - Step 6: Final answer
x = 21,148,047.02
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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.