Finding the Fourth Proportional to 10,255,762.07, 14,157,309.49 and 6,390,193.11
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Solution
The fourth proportional to 10,255,762.07, 14,157,309.49 and 6,390,193.11 is: 8,821,181.78
Step by Step Solution
- Step 1: Write the proportion equation
10,255,762.07 : 14,157,309.49 = 6,390,193.11 : x - Step 2: Convert to fraction form
10,255,762.07/14,157,309.49 = 6,390,193.11/x - Step 3: Cross multiply
10,255,762.07x = 14,157,309.49 × 6,390,193.11 - Step 4: Simplify right side
10,255,762.07x = 90,467,941,543,160.14 - Step 5: Solve for x
x = 90,467,941,543,160.14/10,255,762.07 - Step 6: Final answer
x = 8,821,181.78
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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.