Finding the Fourth Proportional to 7,014,979.63, 9,677,995.45 and 4,260,628.09
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Solution
The fourth proportional to 7,014,979.63, 9,677,995.45 and 4,260,628.09 is: 5,878,041.20
Step by Step Solution
- Step 1: Write the proportion equation
7,014,979.63 : 9,677,995.45 = 4,260,628.09 : x - Step 2: Convert to fraction form
7,014,979.63/9,677,995.45 = 4,260,628.09/x - Step 3: Cross multiply
7,014,979.63x = 9,677,995.45 × 4,260,628.09 - Step 4: Simplify right side
7,014,979.63x = 41,234,339,269,162.19 - Step 5: Solve for x
x = 41,234,339,269,162.19/7,014,979.63 - Step 6: Final answer
x = 5,878,041.20
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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.