Finding the Fourth Proportional to 9,766,428.80, 14,649,643.20 and 8,323,203.20
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Solution
The fourth proportional to 9,766,428.80, 14,649,643.20 and 8,323,203.20 is: 12,484,804.80
Step by Step Solution
- Step 1: Write the proportion equation
9,766,428.80 : 14,649,643.20 = 8,323,203.20 : x - Step 2: Convert to fraction form
9,766,428.80/14,649,643.20 = 8,323,203.20/x - Step 3: Cross multiply
9,766,428.80x = 14,649,643.20 × 8,323,203.20 - Step 4: Simplify right side
9,766,428.80x = 121,931,957,161,098.23 - Step 5: Solve for x
x = 121,931,957,161,098.23/9,766,428.80 - Step 6: Final answer
x = 12,484,804.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.