Finding the Fourth Proportional to 8,235,607.05, 11,365,556.58 and 4,749,649.74
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Solution
The fourth proportional to 8,235,607.05, 11,365,556.58 and 4,749,649.74 is: 6,554,758.20
Step by Step Solution
- Step 1: Write the proportion equation
8,235,607.05 : 11,365,556.58 = 4,749,649.74 : x - Step 2: Convert to fraction form
8,235,607.05/11,365,556.58 = 4,749,649.74/x - Step 3: Cross multiply
8,235,607.05x = 11,365,556.58 × 4,749,649.74 - Step 4: Simplify right side
8,235,607.05x = 53,982,412,855,152.29 - Step 5: Solve for x
x = 53,982,412,855,152.29/8,235,607.05 - Step 6: Final answer
x = 6,554,758.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.