Finding the Fourth Proportional to 15,323,637.20, 22,982,230.20 and 7,743,477.20
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Solution
The fourth proportional to 15,323,637.20, 22,982,230.20 and 7,743,477.20 is: 11,613,585.81
Step by Step Solution
- Step 1: Write the proportion equation
15,323,637.20 : 22,982,230.20 = 7,743,477.20 : x - Step 2: Convert to fraction form
15,323,637.20/22,982,230.20 = 7,743,477.20/x - Step 3: Cross multiply
15,323,637.20x = 22,982,230.20 × 7,743,477.20 - Step 4: Simplify right side
15,323,637.20x = 177,962,375,558,851.44 - Step 5: Solve for x
x = 177,962,375,558,851.44/15,323,637.20 - Step 6: Final answer
x = 11,613,585.81
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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.