Finding the Fourth Proportional to 11,227,128.68, 15,493,416.50 and 6,332,335.63
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Solution
The fourth proportional to 11,227,128.68, 15,493,416.50 and 6,332,335.63 is: 8,738,611.29
Step by Step Solution
- Step 1: Write the proportion equation
11,227,128.68 : 15,493,416.50 = 6,332,335.63 : x - Step 2: Convert to fraction form
11,227,128.68/15,493,416.50 = 6,332,335.63/x - Step 3: Cross multiply
11,227,128.68x = 15,493,416.50 × 6,332,335.63 - Step 4: Simplify right side
11,227,128.68x = 98,109,513,362,008.27 - Step 5: Solve for x
x = 98,109,513,362,008.27/11,227,128.68 - Step 6: Final answer
x = 8,738,611.29
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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.