Finding the Fourth Proportional to 7,409,865.54, 11,113,243.10 and 2,089,837.38
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Solution
The fourth proportional to 7,409,865.54, 11,113,243.10 and 2,089,837.38 is: 3,134,317.45
Step by Step Solution
- Step 1: Write the proportion equation
7,409,865.54 : 11,113,243.10 = 2,089,837.38 : x - Step 2: Convert to fraction form
7,409,865.54/11,113,243.10 = 2,089,837.38/x - Step 3: Cross multiply
7,409,865.54x = 11,113,243.10 × 2,089,837.38 - Step 4: Simplify right side
7,409,865.54x = 23,224,870,843,407.07 - Step 5: Solve for x
x = 23,224,870,843,407.07/7,409,865.54 - Step 6: Final answer
x = 3,134,317.45
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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.