Finding the Fourth Proportional to 17,131,620.98, 23,646,930.09 and 11,020,050.02
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Solution
The fourth proportional to 17,131,620.98, 23,646,930.09 and 11,020,050.02 is: 15,211,073.88
Step by Step Solution
- Step 1: Write the proportion equation
17,131,620.98 : 23,646,930.09 = 11,020,050.02 : x - Step 2: Convert to fraction form
17,131,620.98/23,646,930.09 = 11,020,050.02/x - Step 3: Cross multiply
17,131,620.98x = 23,646,930.09 × 11,020,050.02 - Step 4: Simplify right side
17,131,620.98x = 260,590,352,411,243.09 - Step 5: Solve for x
x = 260,590,352,411,243.09/17,131,620.98 - Step 6: Final answer
x = 15,211,073.88
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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.