Finding the Fourth Proportional to 20,126,769.99, 30,190,417.35 and 5,750,306.79
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Solution
The fourth proportional to 20,126,769.99, 30,190,417.35 and 5,750,306.79 is: 8,625,535.14
Step by Step Solution
- Step 1: Write the proportion equation
20,126,769.99 : 30,190,417.35 = 5,750,306.79 : x - Step 2: Convert to fraction form
20,126,769.99/30,190,417.35 = 5,750,306.79/x - Step 3: Cross multiply
20,126,769.99x = 30,190,417.35 × 5,750,306.79 - Step 4: Simplify right side
20,126,769.99x = 173,604,161,880,638.81 - Step 5: Solve for x
x = 173,604,161,880,638.81/20,126,769.99 - Step 6: Final answer
x = 8,625,535.14
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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.