Finding the Fourth Proportional to 10,120,987.73, 13,967,296.14 and 5,537,204.21
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Solution
The fourth proportional to 10,120,987.73, 13,967,296.14 and 5,537,204.21 is: 7,641,524.03
Step by Step Solution
- Step 1: Write the proportion equation
10,120,987.73 : 13,967,296.14 = 5,537,204.21 : x - Step 2: Convert to fraction form
10,120,987.73/13,967,296.14 = 5,537,204.21/x - Step 3: Cross multiply
10,120,987.73x = 13,967,296.14 × 5,537,204.21 - Step 4: Simplify right side
10,120,987.73x = 77,339,770,918,888.27 - Step 5: Solve for x
x = 77,339,770,918,888.27/10,120,987.73 - Step 6: Final answer
x = 7,641,524.03
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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.