Finding the Fourth Proportional to 9,983,935.99, 14,975,947.86 and 3,160,542.70
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Solution
The fourth proportional to 9,983,935.99, 14,975,947.86 and 3,160,542.70 is: 4,740,827.94
Step by Step Solution
- Step 1: Write the proportion equation
9,983,935.99 : 14,975,947.86 = 3,160,542.70 : x - Step 2: Convert to fraction form
9,983,935.99/14,975,947.86 = 3,160,542.70/x - Step 3: Cross multiply
9,983,935.99x = 14,975,947.86 × 3,160,542.70 - Step 4: Simplify right side
9,983,935.99x = 47,332,122,684,503.62 - Step 5: Solve for x
x = 47,332,122,684,503.62/9,983,935.99 - Step 6: Final answer
x = 4,740,827.94
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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.