Finding the Fourth Proportional to 22,129,887.92, 30,539,274.75 and 12,206,548.07
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Solution
The fourth proportional to 22,129,887.92, 30,539,274.75 and 12,206,548.07 is: 16,845,052.56
Step by Step Solution
- Step 1: Write the proportion equation
22,129,887.92 : 30,539,274.75 = 12,206,548.07 : x - Step 2: Convert to fraction form
22,129,887.92/30,539,274.75 = 12,206,548.07/x - Step 3: Cross multiply
22,129,887.92x = 30,539,274.75 × 12,206,548.07 - Step 4: Simplify right side
22,129,887.92x = 372,779,125,258,812.25 - Step 5: Solve for x
x = 372,779,125,258,812.25/22,129,887.92 - Step 6: Final answer
x = 16,845,052.56
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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.