Finding the Fourth Proportional to 26,571,029.80, 39,856,544.70 and 8,620,133.80
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Solution
The fourth proportional to 26,571,029.80, 39,856,544.70 and 8,620,133.80 is: 12,930,200.70
Step by Step Solution
- Step 1: Write the proportion equation
26,571,029.80 : 39,856,544.70 = 8,620,133.80 : x - Step 2: Convert to fraction form
26,571,029.80/39,856,544.70 = 8,620,133.80/x - Step 3: Cross multiply
26,571,029.80x = 39,856,544.70 × 8,620,133.80 - Step 4: Simplify right side
26,571,029.80x = 343,568,748,119,680.94 - Step 5: Solve for x
x = 343,568,748,119,680.94/26,571,029.80 - Step 6: Final answer
x = 12,930,200.70
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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.