Finding the Fourth Proportional to 18,011,691.36, 24,855,837.35 and 9,751,687.61
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Solution
The fourth proportional to 18,011,691.36, 24,855,837.35 and 9,751,687.61 is: 13,457,168.25
Step by Step Solution
- Step 1: Write the proportion equation
18,011,691.36 : 24,855,837.35 = 9,751,687.61 : x - Step 2: Convert to fraction form
18,011,691.36/24,855,837.35 = 9,751,687.61/x - Step 3: Cross multiply
18,011,691.36x = 24,855,837.35 × 9,751,687.61 - Step 4: Simplify right side
18,011,691.36x = 242,386,361,122,170.22 - Step 5: Solve for x
x = 242,386,361,122,170.22/18,011,691.36 - Step 6: Final answer
x = 13,457,168.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.