Finding the Fourth Proportional to 38,214,547.44, 52,733,686.68 and 21,045,139.44
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Solution
The fourth proportional to 38,214,547.44, 52,733,686.68 and 21,045,139.44 is: 29,040,976.90
Step by Step Solution
- Step 1: Write the proportion equation
38,214,547.44 : 52,733,686.68 = 21,045,139.44 : x - Step 2: Convert to fraction form
38,214,547.44/52,733,686.68 = 21,045,139.44/x - Step 3: Cross multiply
38,214,547.44x = 52,733,686.68 × 21,045,139.44 - Step 4: Simplify right side
38,214,547.44x = 1,109,787,789,365,870.75 - Step 5: Solve for x
x = 1,109,787,789,365,870.75/38,214,547.44 - Step 6: Final answer
x = 29,040,976.90
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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.