Finding the Fourth Proportional to 9,983,934.99, 14,975,946.36 and 3,160,541.70
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Solution
The fourth proportional to 9,983,934.99, 14,975,946.36 and 3,160,541.70 is: 4,740,826.44
Step by Step Solution
- Step 1: Write the proportion equation
9,983,934.99 : 14,975,946.36 = 3,160,541.70 : x - Step 2: Convert to fraction form
9,983,934.99/14,975,946.36 = 3,160,541.70/x - Step 3: Cross multiply
9,983,934.99x = 14,975,946.36 × 3,160,541.70 - Step 4: Simplify right side
9,983,934.99x = 47,332,102,967,743.21 - Step 5: Solve for x
x = 47,332,102,967,743.21/9,983,934.99 - Step 6: Final answer
x = 4,740,826.44
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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.