Finding the Fourth Proportional to 15,167,727.68, 20,931,538.24 and 8,292,210.08
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Solution
The fourth proportional to 15,167,727.68, 20,931,538.24 and 8,292,210.08 is: 11,443,290.39
Step by Step Solution
- Step 1: Write the proportion equation
15,167,727.68 : 20,931,538.24 = 8,292,210.08 : x - Step 2: Convert to fraction form
15,167,727.68/20,931,538.24 = 8,292,210.08/x - Step 3: Cross multiply
15,167,727.68x = 20,931,538.24 × 8,292,210.08 - Step 4: Simplify right side
15,167,727.68x = 173,568,712,383,633.44 - Step 5: Solve for x
x = 173,568,712,383,633.44/15,167,727.68 - Step 6: Final answer
x = 11,443,290.39
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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.