Finding the Fourth Proportional to 8,124,876.74, 12,184,488.74 and 3,265,740.68
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Solution
The fourth proportional to 8,124,876.74, 12,184,488.74 and 3,265,740.68 is: 4,897,474.97
Step by Step Solution
- Step 1: Write the proportion equation
8,124,876.74 : 12,184,488.74 = 3,265,740.68 : x - Step 2: Convert to fraction form
8,124,876.74/12,184,488.74 = 3,265,740.68/x - Step 3: Cross multiply
8,124,876.74x = 12,184,488.74 × 3,265,740.68 - Step 4: Simplify right side
8,124,876.74x = 39,791,380,490,461.85 - Step 5: Solve for x
x = 39,791,380,490,461.85/8,124,876.74 - Step 6: Final answer
x = 4,897,474.97
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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.