Finding the Fourth Proportional to 49,735,921.99, 68,633,962.74 and 28,546,189.50
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Solution
The fourth proportional to 49,735,921.99, 68,633,962.74 and 28,546,189.50 is: 39,392,817.67
Step by Step Solution
- Step 1: Write the proportion equation
49,735,921.99 : 68,633,962.74 = 28,546,189.50 : x - Step 2: Convert to fraction form
49,735,921.99/68,633,962.74 = 28,546,189.50/x - Step 3: Cross multiply
49,735,921.99x = 68,633,962.74 × 28,546,189.50 - Step 4: Simplify right side
49,735,921.99x = 1,959,238,106,511,979 - Step 5: Solve for x
x = 1,959,238,106,511,979/49,735,921.99 - Step 6: Final answer
x = 39,392,817.67
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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.