Finding the Fourth Proportional to 18,953,904.24, 28,430,939.58 and 6,000,118.52
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Solution
The fourth proportional to 18,953,904.24, 28,430,939.58 and 6,000,118.52 is: 9,000,204.12
Step by Step Solution
- Step 1: Write the proportion equation
18,953,904.24 : 28,430,939.58 = 6,000,118.52 : x - Step 2: Convert to fraction form
18,953,904.24/28,430,939.58 = 6,000,118.52/x - Step 3: Cross multiply
18,953,904.24x = 28,430,939.58 × 6,000,118.52 - Step 4: Simplify right side
18,953,904.24x = 170,589,007,114,959 - Step 5: Solve for x
x = 170,589,007,114,959/18,953,904.24 - Step 6: Final answer
x = 9,000,204.12
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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.