Finding the Fourth Proportional to 11,740,913.40, 16,203,226.83 and 6,779,564.04
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Solution
The fourth proportional to 11,740,913.40, 16,203,226.83 and 6,779,564.04 is: 9,356,240.88
Step by Step Solution
- Step 1: Write the proportion equation
11,740,913.40 : 16,203,226.83 = 6,779,564.04 : x - Step 2: Convert to fraction form
11,740,913.40/16,203,226.83 = 6,779,564.04/x - Step 3: Cross multiply
11,740,913.40x = 16,203,226.83 × 6,779,564.04 - Step 4: Simplify right side
11,740,913.40x = 109,850,813,948,631.19 - Step 5: Solve for x
x = 109,850,813,948,631.19/11,740,913.40 - Step 6: Final answer
x = 9,356,240.88
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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.