Finding the Fourth Proportional to 20,539,221.63, 30,797,306.95 and 14,069,609.07
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Solution
The fourth proportional to 20,539,221.63, 30,797,306.95 and 14,069,609.07 is: 21,096,518.50
Step by Step Solution
- Step 1: Write the proportion equation
20,539,221.63 : 30,797,306.95 = 14,069,609.07 : x - Step 2: Convert to fraction form
20,539,221.63/30,797,306.95 = 14,069,609.07/x - Step 3: Cross multiply
20,539,221.63x = 30,797,306.95 × 14,069,609.07 - Step 4: Simplify right side
20,539,221.63x = 433,306,069,195,294.06 - Step 5: Solve for x
x = 433,306,069,195,294.06/20,539,221.63 - Step 6: Final answer
x = 21,096,518.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.