Finding the Fourth Proportional to 14,137,459.86, 19,511,278.14 and 8,558,781.27
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Solution
The fourth proportional to 14,137,459.86, 19,511,278.14 and 8,558,781.27 is: 11,812,076.82
Step by Step Solution
- Step 1: Write the proportion equation
14,137,459.86 : 19,511,278.14 = 8,558,781.27 : x - Step 2: Convert to fraction form
14,137,459.86/19,511,278.14 = 8,558,781.27/x - Step 3: Cross multiply
14,137,459.86x = 19,511,278.14 × 8,558,781.27 - Step 4: Simplify right side
14,137,459.86x = 166,992,761,898,392.44 - Step 5: Solve for x
x = 166,992,761,898,392.44/14,137,459.86 - Step 6: Final answer
x = 11,812,076.82
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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.