Finding the Fourth Proportional to 7,703,387.58, 10,630,544.94 and 4,265,554.80
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Solution
The fourth proportional to 7,703,387.58, 10,630,544.94 and 4,265,554.80 is: 5,886,393.68
Step by Step Solution
- Step 1: Write the proportion equation
7,703,387.58 : 10,630,544.94 = 4,265,554.80 : x - Step 2: Convert to fraction form
7,703,387.58/10,630,544.94 = 4,265,554.80/x - Step 3: Cross multiply
7,703,387.58x = 10,630,544.94 × 4,265,554.80 - Step 4: Simplify right side
7,703,387.58x = 45,345,171,995,432.71 - Step 5: Solve for x
x = 45,345,171,995,432.71/7,703,387.58 - Step 6: Final answer
x = 5,886,393.68
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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.