Finding the Fourth Proportional to 7,971,216.54, 11,958,722.04 and 2,579,866.98
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Solution
The fourth proportional to 7,971,216.54, 11,958,722.04 and 2,579,866.98 is: 3,870,414.50
Step by Step Solution
- Step 1: Write the proportion equation
7,971,216.54 : 11,958,722.04 = 2,579,866.98 : x - Step 2: Convert to fraction form
7,971,216.54/11,958,722.04 = 2,579,866.98/x - Step 3: Cross multiply
7,971,216.54x = 11,958,722.04 × 2,579,866.98 - Step 4: Simplify right side
7,971,216.54x = 30,851,912,113,994.24 - Step 5: Solve for x
x = 30,851,912,113,994.24/7,971,216.54 - Step 6: Final answer
x = 3,870,414.50
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1.5x scale
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.