Finding the Fourth Proportional to 11,553,456.40, 15,944,267.99 and 6,396,817.79
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Solution
The fourth proportional to 11,553,456.40, 15,944,267.99 and 6,396,817.79 is: 8,827,884.37
Step by Step Solution
- Step 1: Write the proportion equation
11,553,456.40 : 15,944,267.99 = 6,396,817.79 : x - Step 2: Convert to fraction form
11,553,456.40/15,944,267.99 = 6,396,817.79/x - Step 3: Cross multiply
11,553,456.40x = 15,944,267.99 × 6,396,817.79 - Step 4: Simplify right side
11,553,456.40x = 101,992,577,182,812.27 - Step 5: Solve for x
x = 101,992,577,182,812.27/11,553,456.40 - Step 6: Final answer
x = 8,827,884.37
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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.