Finding the Fourth Proportional to 11,326,774.65, 15,630,491.32 and 6,923,874.12
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Solution
The fourth proportional to 11,326,774.65, 15,630,491.32 and 6,923,874.12 is: 9,554,666.50
Step by Step Solution
- Step 1: Write the proportion equation
11,326,774.65 : 15,630,491.32 = 6,923,874.12 : x - Step 2: Convert to fraction form
11,326,774.65/15,630,491.32 = 6,923,874.12/x - Step 3: Cross multiply
11,326,774.65x = 15,630,491.32 × 6,923,874.12 - Step 4: Simplify right side
11,326,774.65x = 108,223,554,333,432.64 - Step 5: Solve for x
x = 108,223,554,333,432.64/11,326,774.65 - Step 6: Final answer
x = 9,554,666.50
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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.