Finding the Fourth Proportional to 11,841,931.13, 16,344,926.82 and 7,722,235.49
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Solution
The fourth proportional to 11,841,931.13, 16,344,926.82 and 7,722,235.49 is: 10,658,681.64
Step by Step Solution
- Step 1: Write the proportion equation
11,841,931.13 : 16,344,926.82 = 7,722,235.49 : x - Step 2: Convert to fraction form
11,841,931.13/16,344,926.82 = 7,722,235.49/x - Step 3: Cross multiply
11,841,931.13x = 16,344,926.82 × 7,722,235.49 - Step 4: Simplify right side
11,841,931.13x = 126,219,373,889,132.22 - Step 5: Solve for x
x = 126,219,373,889,132.22/11,841,931.13 - Step 6: Final answer
x = 10,658,681.64
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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.