Finding the Fourth Proportional to 13,317,506.11, 18,373,077.37 and 8,088,541.82
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Solution
The fourth proportional to 13,317,506.11, 18,373,077.37 and 8,088,541.82 is: 11,159,101.67
Step by Step Solution
- Step 1: Write the proportion equation
13,317,506.11 : 18,373,077.37 = 8,088,541.82 : x - Step 2: Convert to fraction form
13,317,506.11/18,373,077.37 = 8,088,541.82/x - Step 3: Cross multiply
13,317,506.11x = 18,373,077.37 × 8,088,541.82 - Step 4: Simplify right side
13,317,506.11x = 148,611,404,559,312.62 - Step 5: Solve for x
x = 148,611,404,559,312.62/13,317,506.11 - Step 6: Final answer
x = 11,159,101.67
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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.