Finding the Fourth Proportional to 10,191,083.70, 15,293,351.60 and 5,402,135.99
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Solution
The fourth proportional to 10,191,083.70, 15,293,351.60 and 5,402,135.99 is: 8,106,769.36
Step by Step Solution
- Step 1: Write the proportion equation
10,191,083.70 : 15,293,351.60 = 5,402,135.99 : x - Step 2: Convert to fraction form
10,191,083.70/15,293,351.60 = 5,402,135.99/x - Step 3: Cross multiply
10,191,083.70x = 15,293,351.60 × 5,402,135.99 - Step 4: Simplify right side
10,191,083.70x = 82,616,765,023,944.30 - Step 5: Solve for x
x = 82,616,765,023,944.30/10,191,083.70 - Step 6: Final answer
x = 8,106,769.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.