Finding the Fourth Proportional to 12,134,468.70, 18,201,703.05 and 3,498,552.45
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Solution
The fourth proportional to 12,134,468.70, 18,201,703.05 and 3,498,552.45 is: 5,247,828.68
Step by Step Solution
- Step 1: Write the proportion equation
12,134,468.70 : 18,201,703.05 = 3,498,552.45 : x - Step 2: Convert to fraction form
12,134,468.70/18,201,703.05 = 3,498,552.45/x - Step 3: Cross multiply
12,134,468.70x = 18,201,703.05 × 3,498,552.45 - Step 4: Simplify right side
12,134,468.70x = 63,679,612,799,749.98 - Step 5: Solve for x
x = 63,679,612,799,749.98/12,134,468.70 - Step 6: Final answer
x = 5,247,828.68
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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.