Finding the Fourth Proportional to 18,480,285.83, 27,718,310.91 and 4,834,749.02
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Solution
The fourth proportional to 18,480,285.83, 27,718,310.91 and 4,834,749.02 is: 7,251,569.46
Step by Step Solution
- Step 1: Write the proportion equation
18,480,285.83 : 27,718,310.91 = 4,834,749.02 : x - Step 2: Convert to fraction form
18,480,285.83/27,718,310.91 = 4,834,749.02/x - Step 3: Cross multiply
18,480,285.83x = 27,718,310.91 × 4,834,749.02 - Step 4: Simplify right side
18,480,285.83x = 134,011,076,369,586.25 - Step 5: Solve for x
x = 134,011,076,369,586.25/18,480,285.83 - Step 6: Final answer
x = 7,251,569.46
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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.