Finding the Fourth Proportional to 10,489,596.20, 15,736,530.16 and 4,424,350.48
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Solution
The fourth proportional to 10,489,596.20, 15,736,530.16 and 4,424,350.48 is: 6,637,426.59
Step by Step Solution
- Step 1: Write the proportion equation
10,489,596.20 : 15,736,530.16 = 4,424,350.48 : x - Step 2: Convert to fraction form
10,489,596.20/15,736,530.16 = 4,424,350.48/x - Step 3: Cross multiply
10,489,596.20x = 15,736,530.16 × 4,424,350.48 - Step 4: Simplify right side
10,489,596.20x = 69,623,924,766,930.48 - Step 5: Solve for x
x = 69,623,924,766,930.48/10,489,596.20 - Step 6: Final answer
x = 6,637,426.59
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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.