Finding the Fourth Proportional to 10,754,233.20, 16,131,349.80 and 6,772,921.20
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Solution
The fourth proportional to 10,754,233.20, 16,131,349.80 and 6,772,921.20 is: 10,159,381.80
Step by Step Solution
- Step 1: Write the proportion equation
10,754,233.20 : 16,131,349.80 = 6,772,921.20 : x - Step 2: Convert to fraction form
10,754,233.20/16,131,349.80 = 6,772,921.20/x - Step 3: Cross multiply
10,754,233.20x = 16,131,349.80 × 6,772,921.20 - Step 4: Simplify right side
10,754,233.20x = 109,256,361,045,035.77 - Step 5: Solve for x
x = 109,256,361,045,035.77/10,754,233.20 - Step 6: Final answer
x = 10,159,381.80
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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.