Finding the Fourth Proportional to 13,306,505.20, 19,960,413.90 and 6,929,213.20
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Solution
The fourth proportional to 13,306,505.20, 19,960,413.90 and 6,929,213.20 is: 10,394,161.46
Step by Step Solution
- Step 1: Write the proportion equation
13,306,505.20 : 19,960,413.90 = 6,929,213.20 : x - Step 2: Convert to fraction form
13,306,505.20/19,960,413.90 = 6,929,213.20/x - Step 3: Cross multiply
13,306,505.20x = 19,960,413.90 × 6,929,213.20 - Step 4: Simplify right side
13,306,505.20x = 138,309,963,473,343.47 - Step 5: Solve for x
x = 138,309,963,473,343.47/13,306,505.20 - Step 6: Final answer
x = 10,394,161.46
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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.