Finding the Fourth Proportional to 38,013,473.30, 52,459,626.06 and 21,496,068.99
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Solution
The fourth proportional to 38,013,473.30, 52,459,626.06 and 21,496,068.99 is: 29,665,159.30
Step by Step Solution
- Step 1: Write the proportion equation
38,013,473.30 : 52,459,626.06 = 21,496,068.99 : x - Step 2: Convert to fraction form
38,013,473.30/52,459,626.06 = 21,496,068.99/x - Step 3: Cross multiply
38,013,473.30x = 52,459,626.06 × 21,496,068.99 - Step 4: Simplify right side
38,013,473.30x = 1,127,675,740,975,361.75 - Step 5: Solve for x
x = 1,127,675,740,975,361.75/38,013,473.30 - Step 6: Final answer
x = 29,665,159.30
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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.