Finding the Fourth Proportional to 8,305,417.20, 12,444,712.20 and 4,700,463.60
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Solution
The fourth proportional to 8,305,417.20, 12,444,712.20 and 4,700,463.60 is: 7,043,103.95
Step by Step Solution
- Step 1: Write the proportion equation
8,305,417.20 : 12,444,712.20 = 4,700,463.60 : x - Step 2: Convert to fraction form
8,305,417.20/12,444,712.20 = 4,700,463.60/x - Step 3: Cross multiply
8,305,417.20x = 12,444,712.20 × 4,700,463.60 - Step 4: Simplify right side
8,305,417.20x = 58,495,916,708,575.91 - Step 5: Solve for x
x = 58,495,916,708,575.91/8,305,417.20 - Step 6: Final answer
x = 7,043,103.95
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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.