Finding the Fourth Proportional to 10,385,964.18, 14,331,879.99 and 5,739,693.62
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Solution
The fourth proportional to 10,385,964.18, 14,331,879.99 and 5,739,693.62 is: 7,920,362.39
Step by Step Solution
- Step 1: Write the proportion equation
10,385,964.18 : 14,331,879.99 = 5,739,693.62 : x - Step 2: Convert to fraction form
10,385,964.18/14,331,879.99 = 5,739,693.62/x - Step 3: Cross multiply
10,385,964.18x = 14,331,879.99 × 5,739,693.62 - Step 4: Simplify right side
10,385,964.18x = 82,260,600,069,549.27 - Step 5: Solve for x
x = 82,260,600,069,549.27/10,385,964.18 - Step 6: Final answer
x = 7,920,362.39
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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.