Finding the Fourth Proportional to 7,800,206.13, 11,677,542.52 and 4,551,789.42
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Solution
The fourth proportional to 7,800,206.13, 11,677,542.52 and 4,551,789.42 is: 6,814,398.70
Step by Step Solution
- Step 1: Write the proportion equation
7,800,206.13 : 11,677,542.52 = 4,551,789.42 : x - Step 2: Convert to fraction form
7,800,206.13/11,677,542.52 = 4,551,789.42/x - Step 3: Cross multiply
7,800,206.13x = 11,677,542.52 × 4,551,789.42 - Step 4: Simplify right side
7,800,206.13x = 53,153,714,494,136.13 - Step 5: Solve for x
x = 53,153,714,494,136.13/7,800,206.13 - Step 6: Final answer
x = 6,814,398.70
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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.