Finding the Fourth Proportional to 18,372,854.70, 27,559,282.05 and 6,255,999.90
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Solution
The fourth proportional to 18,372,854.70, 27,559,282.05 and 6,255,999.90 is: 9,383,999.85
Step by Step Solution
- Step 1: Write the proportion equation
18,372,854.70 : 27,559,282.05 = 6,255,999.90 : x - Step 2: Convert to fraction form
18,372,854.70/27,559,282.05 = 6,255,999.90/x - Step 3: Cross multiply
18,372,854.70x = 27,559,282.05 × 6,255,999.90 - Step 4: Simplify right side
18,372,854.70x = 172,410,865,748,871.81 - Step 5: Solve for x
x = 172,410,865,748,871.81/18,372,854.70 - Step 6: Final answer
x = 9,383,999.85
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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.