Finding the Fourth Proportional to 12,829,372.24, 17,704,974.36 and 7,028,152.24
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Solution
The fourth proportional to 12,829,372.24, 17,704,974.36 and 7,028,152.24 is: 9,699,091.50
Step by Step Solution
- Step 1: Write the proportion equation
12,829,372.24 : 17,704,974.36 = 7,028,152.24 : x - Step 2: Convert to fraction form
12,829,372.24/17,704,974.36 = 7,028,152.24/x - Step 3: Cross multiply
12,829,372.24x = 17,704,974.36 × 7,028,152.24 - Step 4: Simplify right side
12,829,372.24x = 124,433,255,207,376.56 - Step 5: Solve for x
x = 124,433,255,207,376.56/12,829,372.24 - Step 6: Final answer
x = 9,699,091.50
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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.