Finding the Fourth Proportional to 18,979,835.04, 28,463,865.12 and 6,847,721.28
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Solution
The fourth proportional to 18,979,835.04, 28,463,865.12 and 6,847,721.28 is: 10,269,457.79
Step by Step Solution
- Step 1: Write the proportion equation
18,979,835.04 : 28,463,865.12 = 6,847,721.28 : x - Step 2: Convert to fraction form
18,979,835.04/28,463,865.12 = 6,847,721.28/x - Step 3: Cross multiply
18,979,835.04x = 28,463,865.12 × 6,847,721.28 - Step 4: Simplify right side
18,979,835.04x = 194,912,614,893,273.78 - Step 5: Solve for x
x = 194,912,614,893,273.78/18,979,835.04 - Step 6: Final answer
x = 10,269,457.79
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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.