Finding the Fourth Proportional to 12,726,537.54, 19,089,845.59 and 3,141,917.09
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Solution
The fourth proportional to 12,726,537.54, 19,089,845.59 and 3,141,917.09 is: 4,712,885.33
Step by Step Solution
- Step 1: Write the proportion equation
12,726,537.54 : 19,089,845.59 = 3,141,917.09 : x - Step 2: Convert to fraction form
12,726,537.54/19,089,845.59 = 3,141,917.09/x - Step 3: Cross multiply
12,726,537.54x = 19,089,845.59 × 3,141,917.09 - Step 4: Simplify right side
12,726,537.54x = 59,978,712,104,682.13 - Step 5: Solve for x
x = 59,978,712,104,682.13/12,726,537.54 - Step 6: Final answer
x = 4,712,885.33
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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.