Finding the Fourth Proportional to 31,817,037.52, 47,716,846.05 and 8,782,465.49
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Solution
The fourth proportional to 31,817,037.52, 47,716,846.05 and 8,782,465.49 is: 13,171,293.95
Step by Step Solution
- Step 1: Write the proportion equation
31,817,037.52 : 47,716,846.05 = 8,782,465.49 : x - Step 2: Convert to fraction form
31,817,037.52/47,716,846.05 = 8,782,465.49/x - Step 3: Cross multiply
31,817,037.52x = 47,716,846.05 × 8,782,465.49 - Step 4: Simplify right side
31,817,037.52x = 419,071,553,725,767.81 - Step 5: Solve for x
x = 419,071,553,725,767.81/31,817,037.52 - Step 6: Final answer
x = 13,171,293.95
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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.