Finding the Fourth Proportional to 8,979,138.57, 13,465,869.95 and 3,221,743.53
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Solution
The fourth proportional to 8,979,138.57, 13,465,869.95 and 3,221,743.53 is: 4,831,597.04
Step by Step Solution
- Step 1: Write the proportion equation
8,979,138.57 : 13,465,869.95 = 3,221,743.53 : x - Step 2: Convert to fraction form
8,979,138.57/13,465,869.95 = 3,221,743.53/x - Step 3: Cross multiply
8,979,138.57x = 13,465,869.95 × 3,221,743.53 - Step 4: Simplify right side
8,979,138.57x = 43,383,579,371,125.20 - Step 5: Solve for x
x = 43,383,579,371,125.20/8,979,138.57 - Step 6: Final answer
x = 4,831,597.04
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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.