Finding the Fourth Proportional to 10,352,429.32, 15,528,643.98 and 3,163,983.88
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Solution
The fourth proportional to 10,352,429.32, 15,528,643.98 and 3,163,983.88 is: 4,745,975.82
Step by Step Solution
- Step 1: Write the proportion equation
10,352,429.32 : 15,528,643.98 = 3,163,983.88 : x - Step 2: Convert to fraction form
10,352,429.32/15,528,643.98 = 3,163,983.88/x - Step 3: Cross multiply
10,352,429.32x = 15,528,643.98 × 3,163,983.88 - Step 4: Simplify right side
10,352,429.32x = 49,132,379,230,979.04 - Step 5: Solve for x
x = 49,132,379,230,979.04/10,352,429.32 - Step 6: Final answer
x = 4,745,975.82
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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.