Finding the Fourth Proportional to 14,202,805.58, 21,270,391.25 and 9,069,334.63
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Solution
The fourth proportional to 14,202,805.58, 21,270,391.25 and 9,069,334.63 is: 13,582,407.71
Step by Step Solution
- Step 1: Write the proportion equation
14,202,805.58 : 21,270,391.25 = 9,069,334.63 : x - Step 2: Convert to fraction form
14,202,805.58/21,270,391.25 = 9,069,334.63/x - Step 3: Cross multiply
14,202,805.58x = 21,270,391.25 × 9,069,334.63 - Step 4: Simplify right side
14,202,805.58x = 192,908,295,957,274 - Step 5: Solve for x
x = 192,908,295,957,274/14,202,805.58 - Step 6: Final answer
x = 13,582,407.71
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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.