Finding the Fourth Proportional to 22,129,885.92, 30,539,271.99 and 12,206,546.07
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Solution
The fourth proportional to 22,129,885.92, 30,539,271.99 and 12,206,546.07 is: 16,845,049.80
Step by Step Solution
- Step 1: Write the proportion equation
22,129,885.92 : 30,539,271.99 = 12,206,546.07 : x - Step 2: Convert to fraction form
22,129,885.92/30,539,271.99 = 12,206,546.07/x - Step 3: Cross multiply
22,129,885.92x = 30,539,271.99 × 12,206,546.07 - Step 4: Simplify right side
22,129,885.92x = 372,779,030,306,982.88 - Step 5: Solve for x
x = 372,779,030,306,982.88/22,129,885.92 - Step 6: Final answer
x = 16,845,049.80
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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.