Finding the Fourth Proportional to 7,788,221.10, 11,682,331.65 and 3,299,913.90
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Solution
The fourth proportional to 7,788,221.10, 11,682,331.65 and 3,299,913.90 is: 4,949,870.85
Step by Step Solution
- Step 1: Write the proportion equation
7,788,221.10 : 11,682,331.65 = 3,299,913.90 : x - Step 2: Convert to fraction form
7,788,221.10/11,682,331.65 = 3,299,913.90/x - Step 3: Cross multiply
7,788,221.10x = 11,682,331.65 × 3,299,913.90 - Step 4: Simplify right side
7,788,221.10x = 38,550,688,596,244.94 - Step 5: Solve for x
x = 38,550,688,596,244.94/7,788,221.10 - Step 6: Final answer
x = 4,949,870.85
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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.