Finding the Fourth Proportional to 18,189,117.60, 27,283,676.40 and 15,797,633.10
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Solution
The fourth proportional to 18,189,117.60, 27,283,676.40 and 15,797,633.10 is: 23,696,449.65
Step by Step Solution
- Step 1: Write the proportion equation
18,189,117.60 : 27,283,676.40 = 15,797,633.10 : x - Step 2: Convert to fraction form
18,189,117.60/27,283,676.40 = 15,797,633.10/x - Step 3: Cross multiply
18,189,117.60x = 27,283,676.40 × 15,797,633.10 - Step 4: Simplify right side
18,189,117.60x = 431,017,509,386,328.81 - Step 5: Solve for x
x = 431,017,509,386,328.81/18,189,117.60 - Step 6: Final answer
x = 23,696,449.65
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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.