Finding the Fourth Proportional to 11,294,949.97, 15,586,434.42 and 6,400,230.74
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Solution
The fourth proportional to 11,294,949.97, 15,586,434.42 and 6,400,230.74 is: 8,831,980.39
Step by Step Solution
- Step 1: Write the proportion equation
11,294,949.97 : 15,586,434.42 = 6,400,230.74 : x - Step 2: Convert to fraction form
11,294,949.97/15,586,434.42 = 6,400,230.74/x - Step 3: Cross multiply
11,294,949.97x = 15,586,434.42 × 6,400,230.74 - Step 4: Simplify right side
11,294,949.97x = 99,756,776,658,394.16 - Step 5: Solve for x
x = 99,756,776,658,394.16/11,294,949.97 - Step 6: Final answer
x = 8,831,980.39
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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.