Finding the Fourth Proportional to 10,218,319.56, 15,323,028.54 and 2,930,169
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Solution
The fourth proportional to 10,218,319.56, 15,323,028.54 and 2,930,169 is: 4,393,977.20
Step by Step Solution
- Step 1: Write the proportion equation
10,218,319.56 : 15,323,028.54 = 2,930,169 : x - Step 2: Convert to fraction form
10,218,319.56/15,323,028.54 = 2,930,169/x - Step 3: Cross multiply
10,218,319.56x = 15,323,028.54 × 2,930,169 - Step 4: Simplify right side
10,218,319.56x = 44,899,063,214,023.26 - Step 5: Solve for x
x = 44,899,063,214,023.26/10,218,319.56 - Step 6: Final answer
x = 4,393,977.20
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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.