Finding the Fourth Proportional to 12,824,138.79, 19,236,246.86 and 3,108,713.67
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Solution
The fourth proportional to 12,824,138.79, 19,236,246.86 and 3,108,713.67 is: 4,663,079.88
Step by Step Solution
- Step 1: Write the proportion equation
12,824,138.79 : 19,236,246.86 = 3,108,713.67 : x - Step 2: Convert to fraction form
12,824,138.79/19,236,246.86 = 3,108,713.67/x - Step 3: Cross multiply
12,824,138.79x = 19,236,246.86 × 3,108,713.67 - Step 4: Simplify right side
12,824,138.79x = 59,799,983,573,176.57 - Step 5: Solve for x
x = 59,799,983,573,176.57/12,824,138.79 - Step 6: Final answer
x = 4,663,079.88
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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.