Finding the Fourth Proportional to 14,373,824.84, 19,844,831.87 and 9,149,781.68
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Solution
The fourth proportional to 14,373,824.84, 19,844,831.87 and 9,149,781.68 is: 12,632,398.20
Step by Step Solution
- Step 1: Write the proportion equation
14,373,824.84 : 19,844,831.87 = 9,149,781.68 : x - Step 2: Convert to fraction form
14,373,824.84/19,844,831.87 = 9,149,781.68/x - Step 3: Cross multiply
14,373,824.84x = 19,844,831.87 × 9,149,781.68 - Step 4: Simplify right side
14,373,824.84x = 181,575,879,086,806.16 - Step 5: Solve for x
x = 181,575,879,086,806.16/14,373,824.84 - Step 6: Final answer
x = 12,632,398.20
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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.