Finding the Fourth Proportional to 10,369,916.99, 15,555,623.03 and 3,980,169.35
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Solution
The fourth proportional to 10,369,916.99, 15,555,623.03 and 3,980,169.35 is: 5,970,540.95
Step by Step Solution
- Step 1: Write the proportion equation
10,369,916.99 : 15,555,623.03 = 3,980,169.35 : x - Step 2: Convert to fraction form
10,369,916.99/15,555,623.03 = 3,980,169.35/x - Step 3: Cross multiply
10,369,916.99x = 15,555,623.03 × 3,980,169.35 - Step 4: Simplify right side
10,369,916.99x = 61,914,014,004,160.13 - Step 5: Solve for x
x = 61,914,014,004,160.13/10,369,916.99 - Step 6: Final answer
x = 5,970,540.95
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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.