Finding the Fourth Proportional to 12,247,505.13, 18,371,655.57 and 3,610,881.35
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Solution
The fourth proportional to 12,247,505.13, 18,371,655.57 and 3,610,881.35 is: 5,416,439.33
Step by Step Solution
- Step 1: Write the proportion equation
12,247,505.13 : 18,371,655.57 = 3,610,881.35 : x - Step 2: Convert to fraction form
12,247,505.13/18,371,655.57 = 3,610,881.35/x - Step 3: Cross multiply
12,247,505.13x = 18,371,655.57 × 3,610,881.35 - Step 4: Simplify right side
12,247,505.13x = 66,337,868,448,282.22 - Step 5: Solve for x
x = 66,337,868,448,282.22/12,247,505.13 - Step 6: Final answer
x = 5,416,439.33
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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.