Finding the Fourth Proportional to 13,154,908.24, 18,153,846.16 and 7,353,934.48
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Solution
The fourth proportional to 13,154,908.24, 18,153,846.16 and 7,353,934.48 is: 10,148,470.27
Step by Step Solution
- Step 1: Write the proportion equation
13,154,908.24 : 18,153,846.16 = 7,353,934.48 : x - Step 2: Convert to fraction form
13,154,908.24/18,153,846.16 = 7,353,934.48/x - Step 3: Cross multiply
13,154,908.24x = 18,153,846.16 × 7,353,934.48 - Step 4: Simplify right side
13,154,908.24x = 133,502,195,220,639.61 - Step 5: Solve for x
x = 133,502,195,220,639.61/13,154,908.24 - Step 6: Final answer
x = 10,148,470.27
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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.