Finding the Fourth Proportional to 49,911,372.72, 68,876,425.44 and 27,885,037.50
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Solution
The fourth proportional to 49,911,372.72, 68,876,425.44 and 27,885,037.50 is: 38,480,642.82
Step by Step Solution
- Step 1: Write the proportion equation
49,911,372.72 : 68,876,425.44 = 27,885,037.50 : x - Step 2: Convert to fraction form
49,911,372.72/68,876,425.44 = 27,885,037.50/x - Step 3: Cross multiply
49,911,372.72x = 68,876,425.44 × 27,885,037.50 - Step 4: Simplify right side
49,911,372.72x = 1,920,621,706,260,354 - Step 5: Solve for x
x = 1,920,621,706,260,354/49,911,372.72 - Step 6: Final answer
x = 38,480,642.82
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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.