Finding the Fourth Proportional to 7,768,246.36, 11,652,406.42 and 2,376,888.20
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Solution
The fourth proportional to 7,768,246.36, 11,652,406.42 and 2,376,888.20 is: 3,565,343.58
Step by Step Solution
- Step 1: Write the proportion equation
7,768,246.36 : 11,652,406.42 = 2,376,888.20 : x - Step 2: Convert to fraction form
7,768,246.36/11,652,406.42 = 2,376,888.20/x - Step 3: Cross multiply
7,768,246.36x = 11,652,406.42 × 2,376,888.20 - Step 4: Simplify right side
7,768,246.36x = 27,696,467,321,302.25 - Step 5: Solve for x
x = 27,696,467,321,302.25/7,768,246.36 - Step 6: Final answer
x = 3,565,343.58
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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.