Finding the Fourth Proportional to 14,000,278.60, 19,324,654.64 and 8,121,398.42
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Solution
The fourth proportional to 14,000,278.60, 19,324,654.64 and 8,121,398.42 is: 11,210,006.90
Step by Step Solution
- Step 1: Write the proportion equation
14,000,278.60 : 19,324,654.64 = 8,121,398.42 : x - Step 2: Convert to fraction form
14,000,278.60/19,324,654.64 = 8,121,398.42/x - Step 3: Cross multiply
14,000,278.60x = 19,324,654.64 × 8,121,398.42 - Step 4: Simplify right side
14,000,278.60x = 156,943,219,660,341.69 - Step 5: Solve for x
x = 156,943,219,660,341.69/14,000,278.60 - Step 6: Final answer
x = 11,210,006.90
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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.