Finding the Fourth Proportional to 10,233,440.68, 15,358,183.04 and 7,139,310.12
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Solution
The fourth proportional to 10,233,440.68, 15,358,183.04 and 7,139,310.12 is: 10,714,561.70
Step by Step Solution
- Step 1: Write the proportion equation
10,233,440.68 : 15,358,183.04 = 7,139,310.12 : x - Step 2: Convert to fraction form
10,233,440.68/15,358,183.04 = 7,139,310.12/x - Step 3: Cross multiply
10,233,440.68x = 15,358,183.04 × 7,139,310.12 - Step 4: Simplify right side
10,233,440.68x = 109,646,831,602,284.36 - Step 5: Solve for x
x = 109,646,831,602,284.36/10,233,440.68 - Step 6: Final answer
x = 10,714,561.70
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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.