Finding the Fourth Proportional to 10,255,989.24, 15,384,009.93 and 4,190,720.99
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Solution
The fourth proportional to 10,255,989.24, 15,384,009.93 and 4,190,720.99 is: 6,286,092.13
Step by Step Solution
- Step 1: Write the proportion equation
10,255,989.24 : 15,384,009.93 = 4,190,720.99 : x - Step 2: Convert to fraction form
10,255,989.24/15,384,009.93 = 4,190,720.99/x - Step 3: Cross multiply
10,255,989.24x = 15,384,009.93 × 4,190,720.99 - Step 4: Simplify right side
10,255,989.24x = 64,470,093,231,384.17 - Step 5: Solve for x
x = 64,470,093,231,384.17/10,255,989.24 - Step 6: Final answer
x = 6,286,092.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.