Finding the Fourth Proportional to 8,472,416.74, 11,692,006.05 and 4,604,936.87
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Solution
The fourth proportional to 8,472,416.74, 11,692,006.05 and 4,604,936.87 is: 6,354,851.45
Step by Step Solution
- Step 1: Write the proportion equation
8,472,416.74 : 11,692,006.05 = 4,604,936.87 : x - Step 2: Convert to fraction form
8,472,416.74/11,692,006.05 = 4,604,936.87/x - Step 3: Cross multiply
8,472,416.74x = 11,692,006.05 × 4,604,936.87 - Step 4: Simplify right side
8,472,416.74x = 53,840,949,790,406.59 - Step 5: Solve for x
x = 53,840,949,790,406.59/8,472,416.74 - Step 6: Final answer
x = 6,354,851.45
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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.