Finding the Fourth Proportional to 7,813,043.68, 10,781,698.04 and 4,375,108.84
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Solution
The fourth proportional to 7,813,043.68, 10,781,698.04 and 4,375,108.84 is: 6,037,480.95
Step by Step Solution
- Step 1: Write the proportion equation
7,813,043.68 : 10,781,698.04 = 4,375,108.84 : x - Step 2: Convert to fraction form
7,813,043.68/10,781,698.04 = 4,375,108.84/x - Step 3: Cross multiply
7,813,043.68x = 10,781,698.04 × 4,375,108.84 - Step 4: Simplify right side
7,813,043.68x = 47,171,102,405,014.67 - Step 5: Solve for x
x = 47,171,102,405,014.67/7,813,043.68 - Step 6: Final answer
x = 6,037,480.95
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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.