Finding the Fourth Proportional to 19,526,733.60, 29,284,851.60 and 8,164,831.20
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Solution
The fourth proportional to 19,526,733.60, 29,284,851.60 and 8,164,831.20 is: 12,245,052.09
Step by Step Solution
- Step 1: Write the proportion equation
19,526,733.60 : 29,284,851.60 = 8,164,831.20 : x - Step 2: Convert to fraction form
19,526,733.60/29,284,851.60 = 8,164,831.20/x - Step 3: Cross multiply
19,526,733.60x = 29,284,851.60 × 8,164,831.20 - Step 4: Simplify right side
19,526,733.60x = 239,105,870,031,049.94 - Step 5: Solve for x
x = 239,105,870,031,049.94/19,526,733.60 - Step 6: Final answer
x = 12,245,052.09
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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.