Finding the Fourth Proportional to 8,891,502.79, 12,270,332.42 and 4,817,121.79
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Solution
The fourth proportional to 8,891,502.79, 12,270,332.42 and 4,817,121.79 is: 6,647,659.80
Step by Step Solution
- Step 1: Write the proportion equation
8,891,502.79 : 12,270,332.42 = 4,817,121.79 : x - Step 2: Convert to fraction form
8,891,502.79/12,270,332.42 = 4,817,121.79/x - Step 3: Cross multiply
8,891,502.79x = 12,270,332.42 × 4,817,121.79 - Step 4: Simplify right side
8,891,502.79x = 59,107,685,670,925.43 - Step 5: Solve for x
x = 59,107,685,670,925.43/8,891,502.79 - Step 6: Final answer
x = 6,647,659.80
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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.