Finding the Fourth Proportional to 9,716,489.80, 14,574,734.70 and 8,986,582.60
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Solution
The fourth proportional to 9,716,489.80, 14,574,734.70 and 8,986,582.60 is: 13,479,873.90
Step by Step Solution
- Step 1: Write the proportion equation
9,716,489.80 : 14,574,734.70 = 8,986,582.60 : x - Step 2: Convert to fraction form
9,716,489.80/14,574,734.70 = 8,986,582.60/x - Step 3: Cross multiply
9,716,489.80x = 14,574,734.70 × 8,986,582.60 - Step 4: Simplify right side
9,716,489.80x = 130,977,057,254,636.20 - Step 5: Solve for x
x = 130,977,057,254,636.20/9,716,489.80 - Step 6: Final answer
x = 13,479,873.90
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1.5x scale
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.