Finding the Fourth Proportional to 13,227,512.24, 19,841,335.25 and 4,128,847.12
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Solution
The fourth proportional to 13,227,512.24, 19,841,335.25 and 4,128,847.12 is: 6,193,291.55
Step by Step Solution
- Step 1: Write the proportion equation
13,227,512.24 : 19,841,335.25 = 4,128,847.12 : x - Step 2: Convert to fraction form
13,227,512.24/19,841,335.25 = 4,128,847.12/x - Step 3: Cross multiply
13,227,512.24x = 19,841,335.25 × 4,128,847.12 - Step 4: Simplify right side
13,227,512.24x = 81,921,839,833,669.41 - Step 5: Solve for x
x = 81,921,839,833,669.41/13,227,512.24 - Step 6: Final answer
x = 6,193,291.55
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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.