Finding the Fourth Proportional to 8,685,344.88, 13,028,110.86 and 2,620,129.15
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Solution
The fourth proportional to 8,685,344.88, 13,028,110.86 and 2,620,129.15 is: 3,930,221.95
Step by Step Solution
- Step 1: Write the proportion equation
8,685,344.88 : 13,028,110.86 = 2,620,129.15 : x - Step 2: Convert to fraction form
8,685,344.88/13,028,110.86 = 2,620,129.15/x - Step 3: Cross multiply
8,685,344.88x = 13,028,110.86 × 2,620,129.15 - Step 4: Simplify right side
8,685,344.88x = 34,135,333,059,828.19 - Step 5: Solve for x
x = 34,135,333,059,828.19/8,685,344.88 - Step 6: Final answer
x = 3,930,221.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.