Finding the Fourth Proportional to 14,665,398.36, 20,229,043.98 and 8,700,582.12
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Solution
The fourth proportional to 14,665,398.36, 20,229,043.98 and 8,700,582.12 is: 12,001,341.80
Step by Step Solution
- Step 1: Write the proportion equation
14,665,398.36 : 20,229,043.98 = 8,700,582.12 : x - Step 2: Convert to fraction form
14,665,398.36/20,229,043.98 = 8,700,582.12/x - Step 3: Cross multiply
14,665,398.36x = 20,229,043.98 × 8,700,582.12 - Step 4: Simplify right side
14,665,398.36x = 176,004,458,357,081.62 - Step 5: Solve for x
x = 176,004,458,357,081.62/14,665,398.36 - Step 6: Final answer
x = 12,001,341.80
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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.