Finding the Fourth Proportional to 8,299,609.58, 11,453,438.50 and 4,628,530.10
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Solution
The fourth proportional to 8,299,609.58, 11,453,438.50 and 4,628,530.10 is: 6,387,358.86
Step by Step Solution
- Step 1: Write the proportion equation
8,299,609.58 : 11,453,438.50 = 4,628,530.10 : x - Step 2: Convert to fraction form
8,299,609.58/11,453,438.50 = 4,628,530.10/x - Step 3: Cross multiply
8,299,609.58x = 11,453,438.50 × 4,628,530.10 - Step 4: Simplify right side
8,299,609.58x = 53,012,584,776,910.33 - Step 5: Solve for x
x = 53,012,584,776,910.33/8,299,609.58 - Step 6: Final answer
x = 6,387,358.86
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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.