Finding the Fourth Proportional to 10,498,449.75, 14,487,860.85 and 5,669,553.75
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Solution
The fourth proportional to 10,498,449.75, 14,487,860.85 and 5,669,553.75 is: 7,823,984.28
Step by Step Solution
- Step 1: Write the proportion equation
10,498,449.75 : 14,487,860.85 = 5,669,553.75 : x - Step 2: Convert to fraction form
10,498,449.75/14,487,860.85 = 5,669,553.75/x - Step 3: Cross multiply
10,498,449.75x = 14,487,860.85 × 5,669,553.75 - Step 4: Simplify right side
10,498,449.75x = 82,139,705,811,595.69 - Step 5: Solve for x
x = 82,139,705,811,595.69/10,498,449.75 - Step 6: Final answer
x = 7,823,984.28
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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.