Finding the Fourth Proportional to 29,195,921.11, 40,288,743.21 and 16,142,396.08
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Solution
The fourth proportional to 29,195,921.11, 40,288,743.21 and 16,142,396.08 is: 22,275,606.51
Step by Step Solution
- Step 1: Write the proportion equation
29,195,921.11 : 40,288,743.21 = 16,142,396.08 : x - Step 2: Convert to fraction form
29,195,921.11/40,288,743.21 = 16,142,396.08/x - Step 3: Cross multiply
29,195,921.11x = 40,288,743.21 × 16,142,396.08 - Step 4: Simplify right side
29,195,921.11x = 650,356,850,461,230.62 - Step 5: Solve for x
x = 650,356,850,461,230.62/29,195,921.11 - Step 6: Final answer
x = 22,275,606.51
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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.