Finding the Fourth Proportional to 22,031,917.98, 30,403,442.49 and 12,242,110.80
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Solution
The fourth proportional to 22,031,917.98, 30,403,442.49 and 12,242,110.80 is: 16,893,777.11
Step by Step Solution
- Step 1: Write the proportion equation
22,031,917.98 : 30,403,442.49 = 12,242,110.80 : x - Step 2: Convert to fraction form
22,031,917.98/30,403,442.49 = 12,242,110.80/x - Step 3: Cross multiply
22,031,917.98x = 30,403,442.49 × 12,242,110.80 - Step 4: Simplify right side
22,031,917.98x = 372,202,311,664,007.88 - Step 5: Solve for x
x = 372,202,311,664,007.88/22,031,917.98 - Step 6: Final answer
x = 16,893,777.11
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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.