Finding the Fourth Proportional to 11,211,625.08, 15,471,470.34 and 6,317,136.36
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Solution
The fourth proportional to 11,211,625.08, 15,471,470.34 and 6,317,136.36 is: 8,717,325.73
Step by Step Solution
- Step 1: Write the proportion equation
11,211,625.08 : 15,471,470.34 = 6,317,136.36 : x - Step 2: Convert to fraction form
11,211,625.08/15,471,470.34 = 6,317,136.36/x - Step 3: Cross multiply
11,211,625.08x = 15,471,470.34 × 6,317,136.36 - Step 4: Simplify right side
11,211,625.08x = 97,735,387,827,475.56 - Step 5: Solve for x
x = 97,735,387,827,475.56/11,211,625.08 - Step 6: Final answer
x = 8,717,325.73
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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.