Finding the Fourth Proportional to 9,986,323.14, 14,966,242.73 and 5,128,433.60
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Solution
The fourth proportional to 9,986,323.14, 14,966,242.73 and 5,128,433.60 is: 7,685,850.03
Step by Step Solution
- Step 1: Write the proportion equation
9,986,323.14 : 14,966,242.73 = 5,128,433.60 : x - Step 2: Convert to fraction form
9,986,323.14/14,966,242.73 = 5,128,433.60/x - Step 3: Cross multiply
9,986,323.14x = 14,966,242.73 × 5,128,433.60 - Step 4: Simplify right side
9,986,323.14x = 76,753,382,001,045.97 - Step 5: Solve for x
x = 76,753,382,001,045.97/9,986,323.14 - Step 6: Final answer
x = 7,685,850.03
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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.