Finding the Fourth Proportional to 36,021,369.60, 49,708,993.68 and 19,723,845.60
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Solution
The fourth proportional to 36,021,369.60, 49,708,993.68 and 19,723,845.60 is: 27,218,635.14
Step by Step Solution
- Step 1: Write the proportion equation
36,021,369.60 : 49,708,993.68 = 19,723,845.60 : x - Step 2: Convert to fraction form
36,021,369.60/49,708,993.68 = 19,723,845.60/x - Step 3: Cross multiply
36,021,369.60x = 49,708,993.68 × 19,723,845.60 - Step 4: Simplify right side
36,021,369.60x = 980,452,516,275,695.88 - Step 5: Solve for x
x = 980,452,516,275,695.88/36,021,369.60 - Step 6: Final answer
x = 27,218,635.14
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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.