Finding the Fourth Proportional to 8,743,423.62, 12,065,378.43 and 4,823,225.09
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Solution
The fourth proportional to 8,743,423.62, 12,065,378.43 and 4,823,225.09 is: 6,655,749.34
Step by Step Solution
- Step 1: Write the proportion equation
8,743,423.62 : 12,065,378.43 = 4,823,225.09 : x - Step 2: Convert to fraction form
8,743,423.62/12,065,378.43 = 4,823,225.09/x - Step 3: Cross multiply
8,743,423.62x = 12,065,378.43 × 4,823,225.09 - Step 4: Simplify right side
8,743,423.62x = 58,194,035,963,920.80 - Step 5: Solve for x
x = 58,194,035,963,920.80/8,743,423.62 - Step 6: Final answer
x = 6,655,749.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.