Finding the Fourth Proportional to 13,010,761.44, 17,948,962.80 and 7,852,474.08
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Solution
The fourth proportional to 13,010,761.44, 17,948,962.80 and 7,852,474.08 is: 10,832,860.61
Step by Step Solution
- Step 1: Write the proportion equation
13,010,761.44 : 17,948,962.80 = 7,852,474.08 : x - Step 2: Convert to fraction form
13,010,761.44/17,948,962.80 = 7,852,474.08/x - Step 3: Cross multiply
13,010,761.44x = 17,948,962.80 × 7,852,474.08 - Step 4: Simplify right side
13,010,761.44x = 140,943,765,149,884.22 - Step 5: Solve for x
x = 140,943,765,149,884.22/13,010,761.44 - Step 6: Final answer
x = 10,832,860.61
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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.