Finding the Fourth Proportional to 8,399,206.05, 12,600,811.39 and 2,719,432.05
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Solution
The fourth proportional to 8,399,206.05, 12,600,811.39 and 2,719,432.05 is: 4,079,796.37
Step by Step Solution
- Step 1: Write the proportion equation
8,399,206.05 : 12,600,811.39 = 2,719,432.05 : x - Step 2: Convert to fraction form
8,399,206.05/12,600,811.39 = 2,719,432.05/x - Step 3: Cross multiply
8,399,206.05x = 12,600,811.39 × 2,719,432.05 - Step 4: Simplify right side
8,399,206.05x = 34,267,050,349,971.05 - Step 5: Solve for x
x = 34,267,050,349,971.05/8,399,206.05 - Step 6: Final answer
x = 4,079,796.37
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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.