Finding the Fourth Proportional to 36,158,021.96, 49,898,430.18 and 19,638,469.67
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Solution
The fourth proportional to 36,158,021.96, 49,898,430.18 and 19,638,469.67 is: 27,101,283.60
Step by Step Solution
- Step 1: Write the proportion equation
36,158,021.96 : 49,898,430.18 = 19,638,469.67 : x - Step 2: Convert to fraction form
36,158,021.96/49,898,430.18 = 19,638,469.67/x - Step 3: Cross multiply
36,158,021.96x = 49,898,430.18 × 19,638,469.67 - Step 4: Simplify right side
36,158,021.96x = 979,928,807,421,050.50 - Step 5: Solve for x
x = 979,928,807,421,050.50/36,158,021.96 - Step 6: Final answer
x = 27,101,283.60
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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.