Finding the Fourth Proportional to 10,586,695.62, 15,878,781.01 and 2,911,120.23
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Solution
The fourth proportional to 10,586,695.62, 15,878,781.01 and 2,911,120.23 is: 4,366,333.21
Step by Step Solution
- Step 1: Write the proportion equation
10,586,695.62 : 15,878,781.01 = 2,911,120.23 : x - Step 2: Convert to fraction form
10,586,695.62/15,878,781.01 = 2,911,120.23/x - Step 3: Cross multiply
10,586,695.62x = 15,878,781.01 × 2,911,120.23 - Step 4: Simplify right side
10,586,695.62x = 46,225,040,625,950.83 - Step 5: Solve for x
x = 46,225,040,625,950.83/10,586,695.62 - Step 6: Final answer
x = 4,366,333.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.