Finding the Fourth Proportional to 33,726,423.60, 46,542,475.80 and 18,256,460.40
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Solution
The fourth proportional to 33,726,423.60, 46,542,475.80 and 18,256,460.40 is: 25,193,921.43
Step by Step Solution
- Step 1: Write the proportion equation
33,726,423.60 : 46,542,475.80 = 18,256,460.40 : x - Step 2: Convert to fraction form
33,726,423.60/46,542,475.80 = 18,256,460.40/x - Step 3: Cross multiply
33,726,423.60x = 46,542,475.80 × 18,256,460.40 - Step 4: Simplify right side
33,726,423.60x = 849,700,866,360,658.25 - Step 5: Solve for x
x = 849,700,866,360,658.25/33,726,423.60 - Step 6: Final answer
x = 25,193,921.43
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1.5x scale
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.