Finding the Fourth Proportional to 19,991,022.44, 29,986,533.02 and 4,844,953.96
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Solution
The fourth proportional to 19,991,022.44, 29,986,533.02 and 4,844,953.96 is: 7,267,430.78
Step by Step Solution
- Step 1: Write the proportion equation
19,991,022.44 : 29,986,533.02 = 4,844,953.96 : x - Step 2: Convert to fraction form
19,991,022.44/29,986,533.02 = 4,844,953.96/x - Step 3: Cross multiply
19,991,022.44x = 29,986,533.02 × 4,844,953.96 - Step 4: Simplify right side
19,991,022.44x = 145,283,371,901,919.75 - Step 5: Solve for x
x = 145,283,371,901,919.75/19,991,022.44 - Step 6: Final answer
x = 7,267,430.78
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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.