Finding the Fourth Proportional to 18,623,345.54, 27,926,874.60 and 9,395,640.75
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Solution
The fourth proportional to 18,623,345.54, 27,926,874.60 and 9,395,640.75 is: 14,089,352.56
Step by Step Solution
- Step 1: Write the proportion equation
18,623,345.54 : 27,926,874.60 = 9,395,640.75 : x - Step 2: Convert to fraction form
18,623,345.54/27,926,874.60 = 9,395,640.75/x - Step 3: Cross multiply
18,623,345.54x = 27,926,874.60 × 9,395,640.75 - Step 4: Simplify right side
18,623,345.54x = 262,390,881,011,899.97 - Step 5: Solve for x
x = 262,390,881,011,899.97/18,623,345.54 - Step 6: Final answer
x = 14,089,352.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.