Finding the Fourth Proportional to 14,790,620.70, 22,185,931.05 and 12,523,139.10
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Solution
The fourth proportional to 14,790,620.70, 22,185,931.05 and 12,523,139.10 is: 18,784,708.65
Step by Step Solution
- Step 1: Write the proportion equation
14,790,620.70 : 22,185,931.05 = 12,523,139.10 : x - Step 2: Convert to fraction form
14,790,620.70/22,185,931.05 = 12,523,139.10/x - Step 3: Cross multiply
14,790,620.70x = 22,185,931.05 × 12,523,139.10 - Step 4: Simplify right side
14,790,620.70x = 277,837,500,602,159.06 - Step 5: Solve for x
x = 277,837,500,602,159.06/14,790,620.70 - Step 6: Final answer
x = 18,784,708.65
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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.