Finding the Fourth Proportional to 14,720,404.24, 22,085,124.30 and 7,536,981.64
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Solution
The fourth proportional to 14,720,404.24, 22,085,124.30 and 7,536,981.64 is: 11,307,785.69
Step by Step Solution
- Step 1: Write the proportion equation
14,720,404.24 : 22,085,124.30 = 7,536,981.64 : x - Step 2: Convert to fraction form
14,720,404.24/22,085,124.30 = 7,536,981.64/x - Step 3: Cross multiply
14,720,404.24x = 22,085,124.30 × 7,536,981.64 - Step 4: Simplify right side
14,720,404.24x = 166,455,176,366,217.84 - Step 5: Solve for x
x = 166,455,176,366,217.84/14,720,404.24 - Step 6: Final answer
x = 11,307,785.69
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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.