Finding the Fourth Proportional to 9,013,590.96, 13,520,386.43 and 2,190,129.09
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Solution
The fourth proportional to 9,013,590.96, 13,520,386.43 and 2,190,129.09 is: 3,285,193.63
Step by Step Solution
- Step 1: Write the proportion equation
9,013,590.96 : 13,520,386.43 = 2,190,129.09 : x - Step 2: Convert to fraction form
9,013,590.96/13,520,386.43 = 2,190,129.09/x - Step 3: Cross multiply
9,013,590.96x = 13,520,386.43 × 2,190,129.09 - Step 4: Simplify right side
9,013,590.96x = 29,611,391,628,384.25 - Step 5: Solve for x
x = 29,611,391,628,384.25/9,013,590.96 - Step 6: Final answer
x = 3,285,193.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.