Finding the Fourth Proportional to 12,758,615.94, 17,607,315.18 and 6,957,715.08
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Solution
The fourth proportional to 12,758,615.94, 17,607,315.18 and 6,957,715.08 is: 9,601,878.68
Step by Step Solution
- Step 1: Write the proportion equation
12,758,615.94 : 17,607,315.18 = 6,957,715.08 : x - Step 2: Convert to fraction form
12,758,615.94/17,607,315.18 = 6,957,715.08/x - Step 3: Cross multiply
12,758,615.94x = 17,607,315.18 × 6,957,715.08 - Step 4: Simplify right side
12,758,615.94x = 122,506,682,346,198.91 - Step 5: Solve for x
x = 122,506,682,346,198.91/12,758,615.94 - Step 6: Final answer
x = 9,601,878.68
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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.