Finding the Fourth Proportional to 8,590,696.20, 12,885,752.70 and 2,201,011.20
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Solution
The fourth proportional to 8,590,696.20, 12,885,752.70 and 2,201,011.20 is: 3,301,442.09
Step by Step Solution
- Step 1: Write the proportion equation
8,590,696.20 : 12,885,752.70 = 2,201,011.20 : x - Step 2: Convert to fraction form
8,590,696.20/12,885,752.70 = 2,201,011.20/x - Step 3: Cross multiply
8,590,696.20x = 12,885,752.70 × 2,201,011.20 - Step 4: Simplify right side
8,590,696.20x = 28,361,686,013,130.24 - Step 5: Solve for x
x = 28,361,686,013,130.24/8,590,696.20 - Step 6: Final answer
x = 3,301,442.09
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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.