Finding the Fourth Proportional to 16,390,871.10, 24,586,306.65 and 7,887,815.10
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Solution
The fourth proportional to 16,390,871.10, 24,586,306.65 and 7,887,815.10 is: 11,831,722.65
Step by Step Solution
- Step 1: Write the proportion equation
16,390,871.10 : 24,586,306.65 = 7,887,815.10 : x - Step 2: Convert to fraction form
16,390,871.10/24,586,306.65 = 7,887,815.10/x - Step 3: Cross multiply
16,390,871.10x = 24,586,306.65 × 7,887,815.10 - Step 4: Simplify right side
16,390,871.10x = 193,932,240,847,100.41 - Step 5: Solve for x
x = 193,932,240,847,100.41/16,390,871.10 - Step 6: Final answer
x = 11,831,722.65
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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.