Finding the Fourth Proportional to 18,825,232.66, 28,249,792.07 and 8,042,614.62
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Solution
The fourth proportional to 18,825,232.66, 28,249,792.07 and 8,042,614.62 is: 12,069,024.32
Step by Step Solution
- Step 1: Write the proportion equation
18,825,232.66 : 28,249,792.07 = 8,042,614.62 : x - Step 2: Convert to fraction form
18,825,232.66/28,249,792.07 = 8,042,614.62/x - Step 3: Cross multiply
18,825,232.66x = 28,249,792.07 × 8,042,614.62 - Step 4: Simplify right side
18,825,232.66x = 227,202,190,714,142.06 - Step 5: Solve for x
x = 227,202,190,714,142.06/18,825,232.66 - Step 6: Final answer
x = 12,069,024.32
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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.