Finding the Fourth Proportional to 12,085,160.64, 18,127,933.20 and 6,727,862.31
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Solution
The fourth proportional to 12,085,160.64, 18,127,933.20 and 6,727,862.31 is: 10,091,900.49
Step by Step Solution
- Step 1: Write the proportion equation
12,085,160.64 : 18,127,933.20 = 6,727,862.31 : x - Step 2: Convert to fraction form
12,085,160.64/18,127,933.20 = 6,727,862.31/x - Step 3: Cross multiply
12,085,160.64x = 18,127,933.20 × 6,727,862.31 - Step 4: Simplify right side
12,085,160.64x = 121,962,238,534,477.67 - Step 5: Solve for x
x = 121,962,238,534,477.67/12,085,160.64 - Step 6: Final answer
x = 10,091,900.49
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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.