Finding the Fourth Proportional to 43,466,467.20, 65,199,700.80 and 11,553,763.20
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Solution
The fourth proportional to 43,466,467.20, 65,199,700.80 and 11,553,763.20 is: 17,330,644.80
Step by Step Solution
- Step 1: Write the proportion equation
43,466,467.20 : 65,199,700.80 = 11,553,763.20 : x - Step 2: Convert to fraction form
43,466,467.20/65,199,700.80 = 11,553,763.20/x - Step 3: Cross multiply
43,466,467.20x = 65,199,700.80 × 11,553,763.20 - Step 4: Simplify right side
43,466,467.20x = 753,301,903,754,050.50 - Step 5: Solve for x
x = 753,301,903,754,050.50/43,466,467.20 - Step 6: Final answer
x = 17,330,644.80
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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.