Finding the Fourth Proportional to 20,470,470.61, 30,716,332.84 and 8,348,827.09
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Solution
The fourth proportional to 20,470,470.61, 30,716,332.84 and 8,348,827.09 is: 12,527,574.79
Step by Step Solution
- Step 1: Write the proportion equation
20,470,470.61 : 30,716,332.84 = 8,348,827.09 : x - Step 2: Convert to fraction form
20,470,470.61/30,716,332.84 = 8,348,827.09/x - Step 3: Cross multiply
20,470,470.61x = 30,716,332.84 × 8,348,827.09 - Step 4: Simplify right side
20,470,470.61x = 256,445,351,566,466.97 - Step 5: Solve for x
x = 256,445,351,566,466.97/20,470,470.61 - Step 6: Final answer
x = 12,527,574.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.