Finding the Fourth Proportional to 38,585,419.10, 53,245,922.91 and 22,905,113.84
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Solution
The fourth proportional to 38,585,419.10, 53,245,922.91 and 22,905,113.84 is: 31,607,896.30
Step by Step Solution
- Step 1: Write the proportion equation
38,585,419.10 : 53,245,922.91 = 22,905,113.84 : x - Step 2: Convert to fraction form
38,585,419.10/53,245,922.91 = 22,905,113.84/x - Step 3: Cross multiply
38,585,419.10x = 53,245,922.91 × 22,905,113.84 - Step 4: Simplify right side
38,585,419.10x = 1,219,603,925,769,414 - Step 5: Solve for x
x = 1,219,603,925,769,414/38,585,419.10 - Step 6: Final answer
x = 31,607,896.30
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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.