Finding the Fourth Proportional to 21,894,242,582.88, 30,215,227,908.04 and 12,248,397,135.08
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Solution
The fourth proportional to 21,894,242,582.88, 30,215,227,908.04 and 12,248,397,135.08 is: 16,903,444,343.58
Step by Step Solution
- Step 1: Write the proportion equation
21,894,242,582.88 : 30,215,227,908.04 = 12,248,397,135.08 : x - Step 2: Convert to fraction form
21,894,242,582.88/30,215,227,908.04 = 12,248,397,135.08/x - Step 3: Cross multiply
21,894,242,582.88x = 30,215,227,908.04 × 12,248,397,135.08 - Step 4: Simplify right side
21,894,242,582.88x = 370,088,110,944,571,686,912 - Step 5: Solve for x
x = 370,088,110,944,571,686,912/21,894,242,582.88 - Step 6: Final answer
x = 16,903,444,343.58
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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.