Finding the Fourth Proportional to 38,013,437.40, 52,459,650 and 21,493,207.08
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Solution
The fourth proportional to 38,013,437.40, 52,459,650 and 21,493,207.08 is: 29,661,251.33
Step by Step Solution
- Step 1: Write the proportion equation
38,013,437.40 : 52,459,650 = 21,493,207.08 : x - Step 2: Convert to fraction form
38,013,437.40/52,459,650 = 21,493,207.08/x - Step 3: Cross multiply
38,013,437.40x = 52,459,650 × 21,493,207.08 - Step 4: Simplify right side
38,013,437.40x = 1,127,526,120,794,322 - Step 5: Solve for x
x = 1,127,526,120,794,322/38,013,437.40 - Step 6: Final answer
x = 29,661,251.33
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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.