Finding the Fourth Proportional to 11,307,381.68, 16,918,271.50 and 6,698,842.28
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Solution
The fourth proportional to 11,307,381.68, 16,918,271.50 and 6,698,842.28 is: 10,022,906.77
Step by Step Solution
- Step 1: Write the proportion equation
11,307,381.68 : 16,918,271.50 = 6,698,842.28 : x - Step 2: Convert to fraction form
11,307,381.68/16,918,271.50 = 6,698,842.28/x - Step 3: Cross multiply
11,307,381.68x = 16,918,271.50 × 6,698,842.28 - Step 4: Simplify right side
11,307,381.68x = 113,332,832,428,719.03 - Step 5: Solve for x
x = 113,332,832,428,719.03/11,307,381.68 - Step 6: Final answer
x = 10,022,906.77
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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.