Finding the Fourth Proportional to 8,462,031.79, 12,694,868.62 and 2,626,102.26
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Solution
The fourth proportional to 8,462,031.79, 12,694,868.62 and 2,626,102.26 is: 3,939,718.49
Step by Step Solution
- Step 1: Write the proportion equation
8,462,031.79 : 12,694,868.62 = 2,626,102.26 : x - Step 2: Convert to fraction form
8,462,031.79/12,694,868.62 = 2,626,102.26/x - Step 3: Cross multiply
8,462,031.79x = 12,694,868.62 × 2,626,102.26 - Step 4: Simplify right side
8,462,031.79x = 33,338,023,119,107.51 - Step 5: Solve for x
x = 33,338,023,119,107.51/8,462,031.79 - Step 6: Final answer
x = 3,939,718.49
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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.