Finding the Fourth Proportional to 8,617,356.58, 12,928,987.62 and 2,941,566.70
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Solution
The fourth proportional to 8,617,356.58, 12,928,987.62 and 2,941,566.70 is: 4,413,357.98
Step by Step Solution
- Step 1: Write the proportion equation
8,617,356.58 : 12,928,987.62 = 2,941,566.70 : x - Step 2: Convert to fraction form
8,617,356.58/12,928,987.62 = 2,941,566.70/x - Step 3: Cross multiply
8,617,356.58x = 12,928,987.62 × 2,941,566.70 - Step 4: Simplify right side
8,617,356.58x = 38,031,479,447,704.26 - Step 5: Solve for x
x = 38,031,479,447,704.26/8,617,356.58 - Step 6: Final answer
x = 4,413,357.98
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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.