Finding the Fourth Proportional to 6,515,140.07, 8,983,485.47 and 4,157,165.88
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Solution
The fourth proportional to 6,515,140.07, 8,983,485.47 and 4,157,165.88 is: 5,732,162.14
Step by Step Solution
- Step 1: Write the proportion equation
6,515,140.07 : 8,983,485.47 = 4,157,165.88 : x - Step 2: Convert to fraction form
6,515,140.07/8,983,485.47 = 4,157,165.88/x - Step 3: Cross multiply
6,515,140.07x = 8,983,485.47 × 4,157,165.88 - Step 4: Simplify right side
6,515,140.07x = 37,345,839,289,752.68 - Step 5: Solve for x
x = 37,345,839,289,752.68/6,515,140.07 - Step 6: Final answer
x = 5,732,162.14
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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.