Finding the Fourth Proportional to 13,376,098.53, 18,460,154.43 and 7,575,912.09
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Solution
The fourth proportional to 13,376,098.53, 18,460,154.43 and 7,575,912.09 is: 10,455,403.48
Step by Step Solution
- Step 1: Write the proportion equation
13,376,098.53 : 18,460,154.43 = 7,575,912.09 : x - Step 2: Convert to fraction form
13,376,098.53/18,460,154.43 = 7,575,912.09/x - Step 3: Cross multiply
13,376,098.53x = 18,460,154.43 × 7,575,912.09 - Step 4: Simplify right side
13,376,098.53x = 139,852,507,129,504.05 - Step 5: Solve for x
x = 139,852,507,129,504.05/13,376,098.53 - Step 6: Final answer
x = 10,455,403.48
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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.