Finding the Fourth Proportional to 11,411,253.71, 15,749,220.27 and 7,225,327.67
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Solution
The fourth proportional to 11,411,253.71, 15,749,220.27 and 7,225,327.67 is: 9,972,022.34
Step by Step Solution
- Step 1: Write the proportion equation
11,411,253.71 : 15,749,220.27 = 7,225,327.67 : x - Step 2: Convert to fraction form
11,411,253.71/15,749,220.27 = 7,225,327.67/x - Step 3: Cross multiply
11,411,253.71x = 15,749,220.27 × 7,225,327.67 - Step 4: Simplify right side
11,411,253.71x = 113,793,276,946,104.75 - Step 5: Solve for x
x = 113,793,276,946,104.75/11,411,253.71 - Step 6: Final answer
x = 9,972,022.34
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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.