Finding the Fourth Proportional to 13,223,660.58, 18,248,037.35 and 7,343,668.08
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Solution
The fourth proportional to 13,223,660.58, 18,248,037.35 and 7,343,668.08 is: 10,133,920.83
Step by Step Solution
- Step 1: Write the proportion equation
13,223,660.58 : 18,248,037.35 = 7,343,668.08 : x - Step 2: Convert to fraction form
13,223,660.58/18,248,037.35 = 7,343,668.08/x - Step 3: Cross multiply
13,223,660.58x = 18,248,037.35 × 7,343,668.08 - Step 4: Simplify right side
13,223,660.58x = 134,007,529,373,124.44 - Step 5: Solve for x
x = 134,007,529,373,124.44/13,223,660.58 - Step 6: Final answer
x = 10,133,920.83
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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.