Finding the Fourth Proportional to 18,312,223.80, 27,472,709.70 and 5,532,853.80
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Solution
The fourth proportional to 18,312,223.80, 27,472,709.70 and 5,532,853.80 is: 8,300,602.26
Step by Step Solution
- Step 1: Write the proportion equation
18,312,223.80 : 27,472,709.70 = 5,532,853.80 : x - Step 2: Convert to fraction form
18,312,223.80/27,472,709.70 = 5,532,853.80/x - Step 3: Cross multiply
18,312,223.80x = 27,472,709.70 × 5,532,853.80 - Step 4: Simplify right side
18,312,223.80x = 152,002,486,259,941.84 - Step 5: Solve for x
x = 152,002,486,259,941.84/18,312,223.80 - Step 6: Final answer
x = 8,300,602.26
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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.