Finding the Fourth Proportional to 18,375,471.14, 27,561,105.36 and 4,913,348.90
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Solution
The fourth proportional to 18,375,471.14, 27,561,105.36 and 4,913,348.90 is: 7,369,461.47
Step by Step Solution
- Step 1: Write the proportion equation
18,375,471.14 : 27,561,105.36 = 4,913,348.90 : x - Step 2: Convert to fraction form
18,375,471.14/27,561,105.36 = 4,913,348.90/x - Step 3: Cross multiply
18,375,471.14x = 27,561,105.36 × 4,913,348.90 - Step 4: Simplify right side
18,375,471.14x = 135,417,326,565,534.56 - Step 5: Solve for x
x = 135,417,326,565,534.56/18,375,471.14 - Step 6: Final answer
x = 7,369,461.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.