Finding the Fourth Proportional to 11,296,921.60, 15,589,424.16 and 6,402,596.03
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Solution
The fourth proportional to 11,296,921.60, 15,589,424.16 and 6,402,596.03 is: 8,835,396.82
Step by Step Solution
- Step 1: Write the proportion equation
11,296,921.60 : 15,589,424.16 = 6,402,596.03 : x - Step 2: Convert to fraction form
11,296,921.60/15,589,424.16 = 6,402,596.03/x - Step 3: Cross multiply
11,296,921.60x = 15,589,424.16 × 6,402,596.03 - Step 4: Simplify right side
11,296,921.60x = 99,812,785,217,315.30 - Step 5: Solve for x
x = 99,812,785,217,315.30/11,296,921.60 - Step 6: Final answer
x = 8,835,396.82
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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.