Finding the Fourth Proportional to 9,389,277.97, 12,957,279.68 and 5,203,032.79
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Solution
The fourth proportional to 9,389,277.97, 12,957,279.68 and 5,203,032.79 is: 7,180,227.41
Step by Step Solution
- Step 1: Write the proportion equation
9,389,277.97 : 12,957,279.68 = 5,203,032.79 : x - Step 2: Convert to fraction form
9,389,277.97/12,957,279.68 = 5,203,032.79/x - Step 3: Cross multiply
9,389,277.97x = 12,957,279.68 × 5,203,032.79 - Step 4: Simplify right side
9,389,277.97x = 67,417,151,044,240.70 - Step 5: Solve for x
x = 67,417,151,044,240.70/9,389,277.97 - Step 6: Final answer
x = 7,180,227.41
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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.