Finding the Fourth Proportional to 37,675,638.96, 51,988,828.08 and 21,152,536.44
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Solution
The fourth proportional to 37,675,638.96, 51,988,828.08 and 21,152,536.44 is: 29,188,505.11
Step by Step Solution
- Step 1: Write the proportion equation
37,675,638.96 : 51,988,828.08 = 21,152,536.44 : x - Step 2: Convert to fraction form
37,675,638.96/51,988,828.08 = 21,152,536.44/x - Step 3: Cross multiply
37,675,638.96x = 51,988,828.08 × 21,152,536.44 - Step 4: Simplify right side
37,675,638.96x = 1,099,695,580,435,095.25 - Step 5: Solve for x
x = 1,099,695,580,435,095.25/37,675,638.96 - Step 6: Final answer
x = 29,188,505.11
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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.