Finding the Fourth Proportional to 34,373,485.80, 47,434,462.98 and 18,903,568.68
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Solution
The fourth proportional to 34,373,485.80, 47,434,462.98 and 18,903,568.68 is: 26,086,403.75
Step by Step Solution
- Step 1: Write the proportion equation
34,373,485.80 : 47,434,462.98 = 18,903,568.68 : x - Step 2: Convert to fraction form
34,373,485.80/47,434,462.98 = 18,903,568.68/x - Step 3: Cross multiply
34,373,485.80x = 47,434,462.98 × 18,903,568.68 - Step 4: Simplify right side
34,373,485.80x = 896,680,628,741,347.38 - Step 5: Solve for x
x = 896,680,628,741,347.38/34,373,485.80 - Step 6: Final answer
x = 26,086,403.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.