Finding the Fourth Proportional to 14,129,977.91, 19,499,840.51 and 7,936,116.12
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Solution
The fourth proportional to 14,129,977.91, 19,499,840.51 and 7,936,116.12 is: 10,952,104.78
Step by Step Solution
- Step 1: Write the proportion equation
14,129,977.91 : 19,499,840.51 = 7,936,116.12 : x - Step 2: Convert to fraction form
14,129,977.91/19,499,840.51 = 7,936,116.12/x - Step 3: Cross multiply
14,129,977.91x = 19,499,840.51 × 7,936,116.12 - Step 4: Simplify right side
14,129,977.91x = 154,752,998,608,840.03 - Step 5: Solve for x
x = 154,752,998,608,840.03/14,129,977.91 - Step 6: Final answer
x = 10,952,104.78
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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.