Finding the Fourth Proportional to 21,464,829.27, 29,618,773.19 and 14,510,638.26
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Solution
The fourth proportional to 21,464,829.27, 29,618,773.19 and 14,510,638.26 is: 20,022,861.49
Step by Step Solution
- Step 1: Write the proportion equation
21,464,829.27 : 29,618,773.19 = 14,510,638.26 : x - Step 2: Convert to fraction form
21,464,829.27/29,618,773.19 = 14,510,638.26/x - Step 3: Cross multiply
21,464,829.27x = 29,618,773.19 × 14,510,638.26 - Step 4: Simplify right side
21,464,829.27x = 429,787,303,244,429.19 - Step 5: Solve for x
x = 429,787,303,244,429.19/21,464,829.27 - Step 6: Final answer
x = 20,022,861.49
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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.