Finding the Fourth Proportional to 47,372,718.36, 65,338,354.41 and 40,768,290.92
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Solution
The fourth proportional to 47,372,718.36, 65,338,354.41 and 40,768,290.92 is: 56,229,263.02
Step by Step Solution
- Step 1: Write the proportion equation
47,372,718.36 : 65,338,354.41 = 40,768,290.92 : x - Step 2: Convert to fraction form
47,372,718.36/65,338,354.41 = 40,768,290.92/x - Step 3: Cross multiply
47,372,718.36x = 65,338,354.41 × 40,768,290.92 - Step 4: Simplify right side
47,372,718.36x = 2,663,733,040,820,945 - Step 5: Solve for x
x = 2,663,733,040,820,945/47,372,718.36 - Step 6: Final answer
x = 56,229,263.02
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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.