Finding the Fourth Proportional to 10,850,460.80, 16,278,412.80 and 4,786,347.20
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Solution
The fourth proportional to 10,850,460.80, 16,278,412.80 and 4,786,347.20 is: 7,180,721.35
Step by Step Solution
- Step 1: Write the proportion equation
10,850,460.80 : 16,278,412.80 = 4,786,347.20 : x - Step 2: Convert to fraction form
10,850,460.80/16,278,412.80 = 4,786,347.20/x - Step 3: Cross multiply
10,850,460.80x = 16,278,412.80 × 4,786,347.20 - Step 4: Simplify right side
10,850,460.80x = 77,914,135,525,724.17 - Step 5: Solve for x
x = 77,914,135,525,724.17/10,850,460.80 - Step 6: Final answer
x = 7,180,721.35
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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.