Finding the Fourth Proportional to 8,295,311.10, 12,442,966.65 and 6,878,135.10
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Solution
The fourth proportional to 8,295,311.10, 12,442,966.65 and 6,878,135.10 is: 10,317,202.65
Step by Step Solution
- Step 1: Write the proportion equation
8,295,311.10 : 12,442,966.65 = 6,878,135.10 : x - Step 2: Convert to fraction form
8,295,311.10/12,442,966.65 = 6,878,135.10/x - Step 3: Cross multiply
8,295,311.10x = 12,442,966.65 × 6,878,135.10 - Step 4: Simplify right side
8,295,311.10x = 85,584,405,663,494.41 - Step 5: Solve for x
x = 85,584,405,663,494.41/8,295,311.10 - Step 6: Final answer
x = 10,317,202.65
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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.