Finding the Fourth Proportional to 19,946,221.47, 27,524,599.35 and 11,572,942.57
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Solution
The fourth proportional to 19,946,221.47, 27,524,599.35 and 11,572,942.57 is: 15,969,972.46
Step by Step Solution
- Step 1: Write the proportion equation
19,946,221.47 : 27,524,599.35 = 11,572,942.57 : x - Step 2: Convert to fraction form
19,946,221.47/27,524,599.35 = 11,572,942.57/x - Step 3: Cross multiply
19,946,221.47x = 27,524,599.35 × 11,572,942.57 - Step 4: Simplify right side
19,946,221.47x = 318,540,607,539,809.38 - Step 5: Solve for x
x = 318,540,607,539,809.38/19,946,221.47 - Step 6: Final answer
x = 15,969,972.46
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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.