Finding the Fourth Proportional to 21,984,328.14, 32,976,772.85 and 5,810,139.68
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Solution
The fourth proportional to 21,984,328.14, 32,976,772.85 and 5,810,139.68 is: 8,715,283.69
Step by Step Solution
- Step 1: Write the proportion equation
21,984,328.14 : 32,976,772.85 = 5,810,139.68 : x - Step 2: Convert to fraction form
21,984,328.14/32,976,772.85 = 5,810,139.68/x - Step 3: Cross multiply
21,984,328.14x = 32,976,772.85 × 5,810,139.68 - Step 4: Simplify right side
21,984,328.14x = 191,599,656,454,131.69 - Step 5: Solve for x
x = 191,599,656,454,131.69/21,984,328.14 - Step 6: Final answer
x = 8,715,283.69
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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.