Finding the Fourth Proportional to 23,287,414.29, 32,135,878.08 and 13,365,930.03
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Solution
The fourth proportional to 23,287,414.29, 32,135,878.08 and 13,365,930.03 is: 18,444,550.89
Step by Step Solution
- Step 1: Write the proportion equation
23,287,414.29 : 32,135,878.08 = 13,365,930.03 : x - Step 2: Convert to fraction form
23,287,414.29/32,135,878.08 = 13,365,930.03/x - Step 3: Cross multiply
23,287,414.29x = 32,135,878.08 × 13,365,930.03 - Step 4: Simplify right side
23,287,414.29x = 429,525,897,869,890.69 - Step 5: Solve for x
x = 429,525,897,869,890.69/23,287,414.29 - Step 6: Final answer
x = 18,444,550.89
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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.