Finding the Fourth Proportional to 7,766,373.25, 10,715,220.10 and 4,502,536.68
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Solution
The fourth proportional to 7,766,373.25, 10,715,220.10 and 4,502,536.68 is: 6,212,123.72
Step by Step Solution
- Step 1: Write the proportion equation
7,766,373.25 : 10,715,220.10 = 4,502,536.68 : x - Step 2: Convert to fraction form
7,766,373.25/10,715,220.10 = 4,502,536.68/x - Step 3: Cross multiply
7,766,373.25x = 10,715,220.10 × 4,502,536.68 - Step 4: Simplify right side
7,766,373.25x = 48,245,671,489,923.85 - Step 5: Solve for x
x = 48,245,671,489,923.85/7,766,373.25 - Step 6: Final answer
x = 6,212,123.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.