Finding the Fourth Proportional to 16,402,425.36, 22,635,256.88 and 9,060,763.60
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Solution
The fourth proportional to 16,402,425.36, 22,635,256.88 and 9,060,763.60 is: 12,503,803.99
Step by Step Solution
- Step 1: Write the proportion equation
16,402,425.36 : 22,635,256.88 = 9,060,763.60 : x - Step 2: Convert to fraction form
16,402,425.36/22,635,256.88 = 9,060,763.60/x - Step 3: Cross multiply
16,402,425.36x = 22,635,256.88 × 9,060,763.60 - Step 4: Simplify right side
16,402,425.36x = 205,092,711,614,953.56 - Step 5: Solve for x
x = 205,092,711,614,953.56/16,402,425.36 - Step 6: Final answer
x = 12,503,803.99
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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.