Finding the Fourth Proportional to 10,470,701.65, 15,707,528.70 and 3,281,485.90
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Solution
The fourth proportional to 10,470,701.65, 15,707,528.70 and 3,281,485.90 is: 4,922,691.49
Step by Step Solution
- Step 1: Write the proportion equation
10,470,701.65 : 15,707,528.70 = 3,281,485.90 : x - Step 2: Convert to fraction form
10,470,701.65/15,707,528.70 = 3,281,485.90/x - Step 3: Cross multiply
10,470,701.65x = 15,707,528.70 × 3,281,485.90 - Step 4: Simplify right side
10,470,701.65x = 51,544,033,952,895.33 - Step 5: Solve for x
x = 51,544,033,952,895.33/10,470,701.65 - Step 6: Final answer
x = 4,922,691.49
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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.