Finding the Fourth Proportional to 36,749,952.68, 55,133,233.86 and 12,157,821.56
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Solution
The fourth proportional to 36,749,952.68, 55,133,233.86 and 12,157,821.56 is: 18,239,479.79
Step by Step Solution
- Step 1: Write the proportion equation
36,749,952.68 : 55,133,233.86 = 12,157,821.56 : x - Step 2: Convert to fraction form
36,749,952.68/55,133,233.86 = 12,157,821.56/x - Step 3: Cross multiply
36,749,952.68x = 55,133,233.86 × 12,157,821.56 - Step 4: Simplify right side
36,749,952.68x = 670,300,019,295,630 - Step 5: Solve for x
x = 670,300,019,295,630/36,749,952.68 - Step 6: Final answer
x = 18,239,479.79
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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.