Finding the Fourth Proportional to 35,639,980.35, 49,183,553.50 and 21,888,944.48
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Solution
The fourth proportional to 35,639,980.35, 49,183,553.50 and 21,888,944.48 is: 30,206,977.14
Step by Step Solution
- Step 1: Write the proportion equation
35,639,980.35 : 49,183,553.50 = 21,888,944.48 : x - Step 2: Convert to fraction form
35,639,980.35/49,183,553.50 = 21,888,944.48/x - Step 3: Cross multiply
35,639,980.35x = 49,183,553.50 × 21,888,944.48 - Step 4: Simplify right side
35,639,980.35x = 1,076,576,071,535,247.25 - Step 5: Solve for x
x = 1,076,576,071,535,247.25/35,639,980.35 - Step 6: Final answer
x = 30,206,977.14
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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.