Finding the Fourth Proportional to 28,510,176.96, 39,305,983.44 and 22,649,257.68
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Solution
The fourth proportional to 28,510,176.96, 39,305,983.44 and 22,649,257.68 is: 31,225,739.09
Step by Step Solution
- Step 1: Write the proportion equation
28,510,176.96 : 39,305,983.44 = 22,649,257.68 : x - Step 2: Convert to fraction form
28,510,176.96/39,305,983.44 = 22,649,257.68/x - Step 3: Cross multiply
28,510,176.96x = 39,305,983.44 × 22,649,257.68 - Step 4: Simplify right side
28,510,176.96x = 890,251,347,298,372.75 - Step 5: Solve for x
x = 890,251,347,298,372.75/28,510,176.96 - Step 6: Final answer
x = 31,225,739.09
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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.