Finding the Fourth Proportional to 31,972,289.28, 47,974,180.68 and 14,930,485.44
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Solution
The fourth proportional to 31,972,289.28, 47,974,180.68 and 14,930,485.44 is: 22,403,081.61
Step by Step Solution
- Step 1: Write the proportion equation
31,972,289.28 : 47,974,180.68 = 14,930,485.44 : x - Step 2: Convert to fraction form
31,972,289.28/47,974,180.68 = 14,930,485.44/x - Step 3: Cross multiply
31,972,289.28x = 47,974,180.68 × 14,930,485.44 - Step 4: Simplify right side
31,972,289.28x = 716,277,806,138,669.25 - Step 5: Solve for x
x = 716,277,806,138,669.25/31,972,289.28 - Step 6: Final answer
x = 22,403,081.61
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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.