Finding the Fourth Proportional to 10,305,366.12, 14,221,849.14 and 5,721,687
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Solution
The fourth proportional to 10,305,366.12, 14,221,849.14 and 5,721,687 is: 7,896,174.52
Step by Step Solution
- Step 1: Write the proportion equation
10,305,366.12 : 14,221,849.14 = 5,721,687 : x - Step 2: Convert to fraction form
10,305,366.12/14,221,849.14 = 5,721,687/x - Step 3: Cross multiply
10,305,366.12x = 14,221,849.14 × 5,721,687 - Step 4: Simplify right side
10,305,366.12x = 81,372,969,340,299.19 - Step 5: Solve for x
x = 81,372,969,340,299.19/10,305,366.12 - Step 6: Final answer
x = 7,896,174.52
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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.