Finding the Fourth Proportional to 10,279,509.48, 15,408,413.68 and 3,449,606.92
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Solution
The fourth proportional to 10,279,509.48, 15,408,413.68 and 3,449,606.92 is: 5,170,769.15
Step by Step Solution
- Step 1: Write the proportion equation
10,279,509.48 : 15,408,413.68 = 3,449,606.92 : x - Step 2: Convert to fraction form
10,279,509.48/15,408,413.68 = 3,449,606.92/x - Step 3: Cross multiply
10,279,509.48x = 15,408,413.68 × 3,449,606.92 - Step 4: Simplify right side
10,279,509.48x = 53,152,970,456,750.66 - Step 5: Solve for x
x = 53,152,970,456,750.66/10,279,509.48 - Step 6: Final answer
x = 5,170,769.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.