Finding the Fourth Proportional to 9,587,721.51, 13,230,968.58 and 5,236,806.90
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Solution
The fourth proportional to 9,587,721.51, 13,230,968.58 and 5,236,806.90 is: 7,226,745.95
Step by Step Solution
- Step 1: Write the proportion equation
9,587,721.51 : 13,230,968.58 = 5,236,806.90 : x - Step 2: Convert to fraction form
9,587,721.51/13,230,968.58 = 5,236,806.90/x - Step 3: Cross multiply
9,587,721.51x = 13,230,968.58 × 5,236,806.90 - Step 4: Simplify right side
9,587,721.51x = 69,288,027,553,427.21 - Step 5: Solve for x
x = 69,288,027,553,427.21/9,587,721.51 - Step 6: Final answer
x = 7,226,745.95
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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.