Finding the Fourth Proportional to 8,189,542.80, 12,284,318.28 and 2,798,246.06
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Solution
The fourth proportional to 8,189,542.80, 12,284,318.28 and 2,798,246.06 is: 4,197,370.48
Step by Step Solution
- Step 1: Write the proportion equation
8,189,542.80 : 12,284,318.28 = 2,798,246.06 : x - Step 2: Convert to fraction form
8,189,542.80/12,284,318.28 = 2,798,246.06/x - Step 3: Cross multiply
8,189,542.80x = 12,284,318.28 × 2,798,246.06 - Step 4: Simplify right side
8,189,542.80x = 34,374,545,226,795.98 - Step 5: Solve for x
x = 34,374,545,226,795.98/8,189,542.80 - Step 6: Final answer
x = 4,197,370.48
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1.5x scale
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.