Finding the Fourth Proportional to 16,292,777.34, 22,481,533.35 and 9,415,931.34
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Solution
The fourth proportional to 16,292,777.34, 22,481,533.35 and 9,415,931.34 is: 12,992,540.81
Step by Step Solution
- Step 1: Write the proportion equation
16,292,777.34 : 22,481,533.35 = 9,415,931.34 : x - Step 2: Convert to fraction form
16,292,777.34/22,481,533.35 = 9,415,931.34/x - Step 3: Cross multiply
16,292,777.34x = 22,481,533.35 × 9,415,931.34 - Step 4: Simplify right side
16,292,777.34x = 211,684,574,441,520.19 - Step 5: Solve for x
x = 211,684,574,441,520.19/16,292,777.34 - Step 6: Final answer
x = 12,992,540.81
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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.