Finding the Fourth Proportional to 18,968,275.86, 26,173,434.66 and 10,594,613.82
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Solution
The fourth proportional to 18,968,275.86, 26,173,434.66 and 10,594,613.82 is: 14,619,010.95
Step by Step Solution
- Step 1: Write the proportion equation
18,968,275.86 : 26,173,434.66 = 10,594,613.82 : x - Step 2: Convert to fraction form
18,968,275.86/26,173,434.66 = 10,594,613.82/x - Step 3: Cross multiply
18,968,275.86x = 26,173,434.66 × 10,594,613.82 - Step 4: Simplify right side
18,968,275.86x = 277,297,432,565,703 - Step 5: Solve for x
x = 277,297,432,565,703/18,968,275.86 - Step 6: Final answer
x = 14,619,010.95
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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.