Finding the Fourth Proportional to 18,876,359.12, 26,051,587.08 and 10,728,821.84
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Solution
The fourth proportional to 18,876,359.12, 26,051,587.08 and 10,728,821.84 is: 14,807,031.09
Step by Step Solution
- Step 1: Write the proportion equation
18,876,359.12 : 26,051,587.08 = 10,728,821.84 : x - Step 2: Convert to fraction form
18,876,359.12/26,051,587.08 = 10,728,821.84/x - Step 3: Cross multiply
18,876,359.12x = 26,051,587.08 × 10,728,821.84 - Step 4: Simplify right side
18,876,359.12x = 279,502,836,430,565.81 - Step 5: Solve for x
x = 279,502,836,430,565.81/18,876,359.12 - Step 6: Final answer
x = 14,807,031.09
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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.