Finding the Fourth Proportional to 11,432,413.92, 15,776,322.99 and 6,470,748.78
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Solution
The fourth proportional to 11,432,413.92, 15,776,322.99 and 6,470,748.78 is: 8,929,402.26
Step by Step Solution
- Step 1: Write the proportion equation
11,432,413.92 : 15,776,322.99 = 6,470,748.78 : x - Step 2: Convert to fraction form
11,432,413.92/15,776,322.99 = 6,470,748.78/x - Step 3: Cross multiply
11,432,413.92x = 15,776,322.99 × 6,470,748.78 - Step 4: Simplify right side
11,432,413.92x = 102,084,622,740,428.45 - Step 5: Solve for x
x = 102,084,622,740,428.45/11,432,413.92 - Step 6: Final answer
x = 8,929,402.26
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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.