Finding the Fourth Proportional to 14,588,774.73, 20,135,291.04 and 9,618,489.18
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Solution
The fourth proportional to 14,588,774.73, 20,135,291.04 and 9,618,489.18 is: 13,275,349.20
Step by Step Solution
- Step 1: Write the proportion equation
14,588,774.73 : 20,135,291.04 = 9,618,489.18 : x - Step 2: Convert to fraction form
14,588,774.73/20,135,291.04 = 9,618,489.18/x - Step 3: Cross multiply
14,588,774.73x = 20,135,291.04 × 9,618,489.18 - Step 4: Simplify right side
14,588,774.73x = 193,671,079,004,390.94 - Step 5: Solve for x
x = 193,671,079,004,390.94/14,588,774.73 - Step 6: Final answer
x = 13,275,349.20
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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.