Finding the Fourth Proportional to 10,752,146.80, 16,128,220.20 and 6,497,119.60
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Solution
The fourth proportional to 10,752,146.80, 16,128,220.20 and 6,497,119.60 is: 9,745,679.40
Step by Step Solution
- Step 1: Write the proportion equation
10,752,146.80 : 16,128,220.20 = 6,497,119.60 : x - Step 2: Convert to fraction form
10,752,146.80/16,128,220.20 = 6,497,119.60/x - Step 3: Cross multiply
10,752,146.80x = 16,128,220.20 × 6,497,119.60 - Step 4: Simplify right side
10,752,146.80x = 104,786,975,574,535.91 - Step 5: Solve for x
x = 104,786,975,574,535.91/10,752,146.80 - Step 6: Final answer
x = 9,745,679.40
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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.