Finding the Fourth Proportional to 17,899,523.20, 26,863,281.60 and 8,316,089.20
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Solution
The fourth proportional to 17,899,523.20, 26,863,281.60 and 8,316,089.20 is: 12,480,636.69
Step by Step Solution
- Step 1: Write the proportion equation
17,899,523.20 : 26,863,281.60 = 8,316,089.20 : x - Step 2: Convert to fraction form
17,899,523.20/26,863,281.60 = 8,316,089.20/x - Step 3: Cross multiply
17,899,523.20x = 26,863,281.60 × 8,316,089.20 - Step 4: Simplify right side
17,899,523.20x = 223,397,445,990,318.75 - Step 5: Solve for x
x = 223,397,445,990,318.75/17,899,523.20 - Step 6: Final answer
x = 12,480,636.69
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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.