Finding the Fourth Proportional to 12,163,462.54, 16,785,584.84 and 6,656,834.17
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Solution
The fourth proportional to 12,163,462.54, 16,785,584.84 and 6,656,834.17 is: 9,186,434.74
Step by Step Solution
- Step 1: Write the proportion equation
12,163,462.54 : 16,785,584.84 = 6,656,834.17 : x - Step 2: Convert to fraction form
12,163,462.54/16,785,584.84 = 6,656,834.17/x - Step 3: Cross multiply
12,163,462.54x = 16,785,584.84 × 6,656,834.17 - Step 4: Simplify right side
12,163,462.54x = 111,738,854,763,970.05 - Step 5: Solve for x
x = 111,738,854,763,970.05/12,163,462.54 - Step 6: Final answer
x = 9,186,434.74
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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.