Finding the Fourth Proportional to 12,756,327.40, 19,134,491.10 and 8,244,173.80
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Solution
The fourth proportional to 12,756,327.40, 19,134,491.10 and 8,244,173.80 is: 12,366,260.70
Step by Step Solution
- Step 1: Write the proportion equation
12,756,327.40 : 19,134,491.10 = 8,244,173.80 : x - Step 2: Convert to fraction form
12,756,327.40/19,134,491.10 = 8,244,173.80/x - Step 3: Cross multiply
12,756,327.40x = 19,134,491.10 × 8,244,173.80 - Step 4: Simplify right side
12,756,327.40x = 157,748,070,202,953.19 - Step 5: Solve for x
x = 157,748,070,202,953.19/12,756,327.40 - Step 6: Final answer
x = 12,366,260.70
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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.