Finding the Fourth Proportional to 9,739,641.98, 13,440,497.84 and 5,329,350.54
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Solution
The fourth proportional to 9,739,641.98, 13,440,497.84 and 5,329,350.54 is: 7,354,389.88
Step by Step Solution
- Step 1: Write the proportion equation
9,739,641.98 : 13,440,497.84 = 5,329,350.54 : x - Step 2: Convert to fraction form
9,739,641.98/13,440,497.84 = 5,329,350.54/x - Step 3: Cross multiply
9,739,641.98x = 13,440,497.84 × 5,329,350.54 - Step 4: Simplify right side
9,739,641.98x = 71,629,124,394,826.09 - Step 5: Solve for x
x = 71,629,124,394,826.09/9,739,641.98 - Step 6: Final answer
x = 7,354,389.88
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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.