Finding the Fourth Proportional to 42,708,229.12, 64,062,343.68 and 10,795,525.12
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Solution
The fourth proportional to 42,708,229.12, 64,062,343.68 and 10,795,525.12 is: 16,193,287.68
Step by Step Solution
- Step 1: Write the proportion equation
42,708,229.12 : 64,062,343.68 = 10,795,525.12 : x - Step 2: Convert to fraction form
42,708,229.12/64,062,343.68 = 10,795,525.12/x - Step 3: Cross multiply
42,708,229.12x = 64,062,343.68 × 10,795,525.12 - Step 4: Simplify right side
42,708,229.12x = 691,586,640,443,513.12 - Step 5: Solve for x
x = 691,586,640,443,513.12/42,708,229.12 - Step 6: Final answer
x = 16,193,287.68
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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.