Finding the Fourth Proportional to 7,086,743.70, 10,630,115.55 and 4,963,377.30
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Solution
The fourth proportional to 7,086,743.70, 10,630,115.55 and 4,963,377.30 is: 7,445,065.95
Step by Step Solution
- Step 1: Write the proportion equation
7,086,743.70 : 10,630,115.55 = 4,963,377.30 : x - Step 2: Convert to fraction form
7,086,743.70/10,630,115.55 = 4,963,377.30/x - Step 3: Cross multiply
7,086,743.70x = 10,630,115.55 × 4,963,377.30 - Step 4: Simplify right side
7,086,743.70x = 52,761,274,217,247.02 - Step 5: Solve for x
x = 52,761,274,217,247.02/7,086,743.70 - Step 6: Final answer
x = 7,445,065.95
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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.