Finding the Fourth Proportional to 11,104,779.53, 15,328,448.34 and 7,631,615.53
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Solution
The fourth proportional to 11,104,779.53, 15,328,448.34 and 7,631,615.53 is: 10,534,277.07
Step by Step Solution
- Step 1: Write the proportion equation
11,104,779.53 : 15,328,448.34 = 7,631,615.53 : x - Step 2: Convert to fraction form
11,104,779.53/15,328,448.34 = 7,631,615.53/x - Step 3: Cross multiply
11,104,779.53x = 15,328,448.34 × 7,631,615.53 - Step 4: Simplify right side
11,104,779.53x = 116,980,824,392,888.72 - Step 5: Solve for x
x = 116,980,824,392,888.72/11,104,779.53 - Step 6: Final answer
x = 10,534,277.07
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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.