Finding the Fourth Proportional to 46,420,478.20, 69,630,717.30 and 24,897,117.70
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Solution
The fourth proportional to 46,420,478.20, 69,630,717.30 and 24,897,117.70 is: 37,345,676.55
Step by Step Solution
- Step 1: Write the proportion equation
46,420,478.20 : 69,630,717.30 = 24,897,117.70 : x - Step 2: Convert to fraction form
46,420,478.20/69,630,717.30 = 24,897,117.70/x - Step 3: Cross multiply
46,420,478.20x = 69,630,717.30 × 24,897,117.70 - Step 4: Simplify right side
46,420,478.20x = 1,733,604,164,153,526 - Step 5: Solve for x
x = 1,733,604,164,153,526/46,420,478.20 - Step 6: Final answer
x = 37,345,676.55
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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.