Finding the Fourth Proportional to 14,678,723.34, 20,256,888.62 and 8,063,590.74
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Solution
The fourth proportional to 14,678,723.34, 20,256,888.62 and 8,063,590.74 is: 11,127,892.77
Step by Step Solution
- Step 1: Write the proportion equation
14,678,723.34 : 20,256,888.62 = 8,063,590.74 : x - Step 2: Convert to fraction form
14,678,723.34/20,256,888.62 = 8,063,590.74/x - Step 3: Cross multiply
14,678,723.34x = 20,256,888.62 × 8,063,590.74 - Step 4: Simplify right side
14,678,723.34x = 163,343,259,440,339.22 - Step 5: Solve for x
x = 163,343,259,440,339.22/14,678,723.34 - Step 6: Final answer
x = 11,127,892.77
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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.