Finding the Fourth Proportional to 11,411,254.21, 15,749,220.97 and 7,225,328.17
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Solution
The fourth proportional to 11,411,254.21, 15,749,220.97 and 7,225,328.17 is: 9,972,023.03
Step by Step Solution
- Step 1: Write the proportion equation
11,411,254.21 : 15,749,220.97 = 7,225,328.17 : x - Step 2: Convert to fraction form
11,411,254.21/15,749,220.97 = 7,225,328.17/x - Step 3: Cross multiply
11,411,254.21x = 15,749,220.97 × 7,225,328.17 - Step 4: Simplify right side
11,411,254.21x = 113,793,289,815,222.98 - Step 5: Solve for x
x = 113,793,289,815,222.98/11,411,254.21 - Step 6: Final answer
x = 9,972,023.03
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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.