Finding the Fourth Proportional to 38,013,435.39, 52,459,647.24 and 21,493,205.08
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Solution
The fourth proportional to 38,013,435.39, 52,459,647.24 and 21,493,205.08 is: 29,661,248.58
Step by Step Solution
- Step 1: Write the proportion equation
38,013,435.39 : 52,459,647.24 = 21,493,205.08 : x - Step 2: Convert to fraction form
38,013,435.39/52,459,647.24 = 21,493,205.08/x - Step 3: Cross multiply
38,013,435.39x = 52,459,647.24 × 21,493,205.08 - Step 4: Simplify right side
38,013,435.39x = 1,127,525,956,553,776 - Step 5: Solve for x
x = 1,127,525,956,553,776/38,013,435.39 - Step 6: Final answer
x = 29,661,248.58
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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.