Finding the Fourth Proportional to 17,556,809.40, 26,332,553.16 and 4,778,309.88
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Solution
The fourth proportional to 17,556,809.40, 26,332,553.16 and 4,778,309.88 is: 7,166,740.61
Step by Step Solution
- Step 1: Write the proportion equation
17,556,809.40 : 26,332,553.16 = 4,778,309.88 : x - Step 2: Convert to fraction form
17,556,809.40/26,332,553.16 = 4,778,309.88/x - Step 3: Cross multiply
17,556,809.40x = 26,332,553.16 × 4,778,309.88 - Step 4: Simplify right side
17,556,809.40x = 125,825,098,930,053.22 - Step 5: Solve for x
x = 125,825,098,930,053.22/17,556,809.40 - Step 6: Final answer
x = 7,166,740.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.