Finding the Fourth Proportional to 11,922,430.39, 16,453,350.85 and 6,696,358.08
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Solution
The fourth proportional to 11,922,430.39, 16,453,350.85 and 6,696,358.08 is: 9,241,197.08
Step by Step Solution
- Step 1: Write the proportion equation
11,922,430.39 : 16,453,350.85 = 6,696,358.08 : x - Step 2: Convert to fraction form
11,922,430.39/16,453,350.85 = 6,696,358.08/x - Step 3: Cross multiply
11,922,430.39x = 16,453,350.85 × 6,696,358.08 - Step 4: Simplify right side
11,922,430.39x = 110,177,528,907,472.36 - Step 5: Solve for x
x = 110,177,528,907,472.36/11,922,430.39 - Step 6: Final answer
x = 9,241,197.08
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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.